20337240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 256

約数和(自身を含む): 79626240

約数和(自身を除く): 59289000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 71, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 142, 154, 155, 165, 168, 186, 210, 213, 217, 220, 231, 248, 264, 280, 284, 308, 310, 330, 341, 355, 372, 385, 420, 426, 434, 440, 462, 465, 497, 568, 616, 620, 651, 660, 682, 710, 744, 770, 781, 840, 852, 868, 924, 930, 994, 1023, 1065, 1085, 1155, 1240, 1302, 1320, 1364, 1420, 1491, 1540, 1562, 1704, 1705, 1736, 1848, 1860, 1988, 2046, 2130, 2170, 2201, 2310, 2343, 2387, 2485, 2604, 2728, 2840, 2982, 3080, 3124, 3255, 3410, 3720, 3905, 3976, 4092, 4260, 4340, 4402, 4620, 4686, 4774, 4970, 5115, 5208, 5467, 5964, 6248, 6510, 6603, 6820, 7161, 7455, 7810, 8184, 8520, 8680, 8804, 9240, 9372, 9548, 9940, 10230, 10934, 11005, 11715, 11928, 11935, 13020, 13206, 13640, 14322, 14910, 15407, 15620, 16401, 17608, 18744, 19096, 19880, 20460, 21868, 22010, 23430, 23870, 24211, 26040, 26412, 27335, 28644, 29820, 30814, 31240, 32802, 33015, 35805, 40920, 43736, 44020, 46221, 46860, 47740, 48422, 52824, 54670, 57288, 59640, 61628, 65604, 66030, 71610, 72633, 77035, 82005, 88040, 92442, 93720, 95480, 96844, 109340, 121055, 123256, 131208, 132060, 143220, 145266, 154070, 164010, 169477, 184884, 193688, 218680, 231105, 242110, 264120, 286440, 290532, 308140, 328020, 338954, 363165, 369768, 462210, 484220, 508431, 581064, 616280, 656040, 677908, 726330, 847385, 924420, 968440, 1016862, 1355816, 1452660, 1694770, 1848840, 2033724, 2542155, 2905320, 3389540, 4067448, 5084310, 6779080, 10168620, 20337240]

約数ペア:

[(1, 20337240), (2, 10168620), (3, 6779080), (4, 5084310), (5, 4067448), (6, 3389540), (7, 2905320), (8, 2542155), (10, 2033724), (11, 1848840), (12, 1694770), (14, 1452660), (15, 1355816), (20, 1016862), (21, 968440), (22, 924420), (24, 847385), (28, 726330), (30, 677908), (31, 656040), (33, 616280), (35, 581064), (40, 508431), (42, 484220), (44, 462210), (55, 369768), (56, 363165), (60, 338954), (62, 328020), (66, 308140), (70, 290532), (71, 286440), (77, 264120), (84, 242110), (88, 231105), (93, 218680), (105, 193688), (110, 184884), (120, 169477), (124, 164010), (132, 154070), (140, 145266), (142, 143220), (154, 132060), (155, 131208), (165, 123256), (168, 121055), (186, 109340), (210, 96844), (213, 95480), (217, 93720), (220, 92442), (231, 88040), (248, 82005), (264, 77035), (280, 72633), (284, 71610), (308, 66030), (310, 65604), (330, 61628), (341, 59640), (355, 57288), (372, 54670), (385, 52824), (420, 48422), (426, 47740), (434, 46860), (440, 46221), (462, 44020), (465, 43736), (497, 40920), (568, 35805), (616, 33015), (620, 32802), (651, 31240), (660, 30814), (682, 29820), (710, 28644), (744, 27335), (770, 26412), (781, 26040), (840, 24211), (852, 23870), (868, 23430), (924, 22010), (930, 21868), (994, 20460), (1023, 19880), (1065, 19096), (1085, 18744), (1155, 17608), (1240, 16401), (1302, 15620), (1320, 15407), (1364, 14910), (1420, 14322), (1491, 13640), (1540, 13206), (1562, 13020), (1704, 11935), (1705, 11928), (1736, 11715), (1848, 11005), (1860, 10934), (1988, 10230), (2046, 9940), (2130, 9548), (2170, 9372), (2201, 9240), (2310, 8804), (2343, 8680), (2387, 8520), (2485, 8184), (2604, 7810), (2728, 7455), (2840, 7161), (2982, 6820), (3080, 6603), (3124, 6510), (3255, 6248), (3410, 5964), (3720, 5467), (3905, 5208), (3976, 5115), (4092, 4970), (4260, 4774), (4340, 4686), (4402, 4620)]