20933640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 320

約数和(自身を含む): 87816960

約数和(自身を除く): 66883320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 71, 72, 78, 81, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 142, 156, 162, 168, 180, 182, 189, 195, 210, 213, 216, 234, 252, 260, 270, 273, 280, 284, 312, 315, 324, 351, 355, 360, 364, 378, 390, 405, 420, 426, 455, 468, 497, 504, 520, 540, 546, 567, 568, 585, 630, 639, 648, 702, 710, 728, 756, 780, 810, 819, 840, 852, 910, 923, 936, 945, 994, 1053, 1065, 1080, 1092, 1134, 1170, 1260, 1278, 1365, 1404, 1420, 1491, 1512, 1560, 1620, 1638, 1704, 1755, 1820, 1846, 1890, 1917, 1988, 2106, 2130, 2184, 2268, 2340, 2457, 2485, 2520, 2556, 2730, 2769, 2808, 2835, 2840, 2982, 3195, 3240, 3276, 3510, 3640, 3692, 3780, 3834, 3976, 4095, 4212, 4260, 4473, 4536, 4615, 4680, 4914, 4970, 5112, 5265, 5460, 5538, 5670, 5751, 5964, 6390, 6461, 6552, 7020, 7371, 7384, 7455, 7560, 7668, 8190, 8307, 8424, 8520, 8946, 9230, 9585, 9828, 9940, 10530, 10920, 11076, 11340, 11502, 11928, 12285, 12780, 12922, 13419, 13845, 14040, 14742, 14910, 15336, 16380, 16614, 17892, 18460, 19170, 19383, 19656, 19880, 21060, 22152, 22365, 22680, 23004, 24570, 24921, 25560, 25844, 26838, 27690, 28755, 29484, 29820, 32305, 32760, 33228, 35784, 36855, 36920, 38340, 38766, 40257, 41535, 42120, 44730, 46008, 49140, 49842, 51688, 53676, 55380, 57510, 58149, 58968, 59640, 64610, 66456, 67095, 73710, 74763, 76680, 77532, 80514, 83070, 89460, 96915, 98280, 99684, 107352, 110760, 115020, 116298, 124605, 129220, 134190, 147420, 149526, 155064, 161028, 166140, 174447, 178920, 193830, 199368, 201285, 230040, 232596, 249210, 258440, 268380, 290745, 294840, 299052, 322056, 332280, 348894, 373815, 387660, 402570, 465192, 498420, 523341, 536760, 581490, 598104, 697788, 747630, 775320, 805140, 872235, 996840, 1046682, 1162980, 1395576, 1495260, 1610280, 1744470, 2093364, 2325960, 2616705, 2990520, 3488940, 4186728, 5233410, 6977880, 10466820, 20933640]

約数ペア:

[(1, 20933640), (2, 10466820), (3, 6977880), (4, 5233410), (5, 4186728), (6, 3488940), (7, 2990520), (8, 2616705), (9, 2325960), (10, 2093364), (12, 1744470), (13, 1610280), (14, 1495260), (15, 1395576), (18, 1162980), (20, 1046682), (21, 996840), (24, 872235), (26, 805140), (27, 775320), (28, 747630), (30, 697788), (35, 598104), (36, 581490), (39, 536760), (40, 523341), (42, 498420), (45, 465192), (52, 402570), (54, 387660), (56, 373815), (60, 348894), (63, 332280), (65, 322056), (70, 299052), (71, 294840), (72, 290745), (78, 268380), (81, 258440), (84, 249210), (90, 232596), (91, 230040), (104, 201285), (105, 199368), (108, 193830), (117, 178920), (120, 174447), (126, 166140), (130, 161028), (135, 155064), (140, 149526), (142, 147420), (156, 134190), (162, 129220), (168, 124605), (180, 116298), (182, 115020), (189, 110760), (195, 107352), (210, 99684), (213, 98280), (216, 96915), (234, 89460), (252, 83070), (260, 80514), (270, 77532), (273, 76680), (280, 74763), (284, 73710), (312, 67095), (315, 66456), (324, 64610), (351, 59640), (355, 58968), (360, 58149), (364, 57510), (378, 55380), (390, 53676), (405, 51688), (420, 49842), (426, 49140), (455, 46008), (468, 44730), (497, 42120), (504, 41535), (520, 40257), (540, 38766), (546, 38340), (567, 36920), (568, 36855), (585, 35784), (630, 33228), (639, 32760), (648, 32305), (702, 29820), (710, 29484), (728, 28755), (756, 27690), (780, 26838), (810, 25844), (819, 25560), (840, 24921), (852, 24570), (910, 23004), (923, 22680), (936, 22365), (945, 22152), (994, 21060), (1053, 19880), (1065, 19656), (1080, 19383), (1092, 19170), (1134, 18460), (1170, 17892), (1260, 16614), (1278, 16380), (1365, 15336), (1404, 14910), (1420, 14742), (1491, 14040), (1512, 13845), (1560, 13419), (1620, 12922), (1638, 12780), (1704, 12285), (1755, 11928), (1820, 11502), (1846, 11340), (1890, 11076), (1917, 10920), (1988, 10530), (2106, 9940), (2130, 9828), (2184, 9585), (2268, 9230), (2340, 8946), (2457, 8520), (2485, 8424), (2520, 8307), (2556, 8190), (2730, 7668), (2769, 7560), (2808, 7455), (2835, 7384), (2840, 7371), (2982, 7020), (3195, 6552), (3240, 6461), (3276, 6390), (3510, 5964), (3640, 5751), (3692, 5670), (3780, 5538), (3834, 5460), (3976, 5265), (4095, 5112), (4212, 4970), (4260, 4914), (4473, 4680), (4536, 4615)]