20909070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 256

約数和(自身を含む): 73543680

約数和(自身を除く): 52634610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 23, 26, 27, 30, 35, 37, 39, 42, 45, 46, 54, 63, 65, 69, 70, 74, 78, 90, 91, 105, 111, 115, 117, 126, 130, 135, 138, 161, 182, 185, 189, 195, 207, 210, 222, 230, 234, 259, 270, 273, 299, 315, 322, 333, 345, 351, 370, 378, 390, 414, 455, 481, 483, 518, 546, 555, 585, 598, 621, 630, 666, 690, 702, 777, 805, 819, 851, 897, 910, 945, 962, 966, 999, 1035, 1110, 1170, 1242, 1295, 1365, 1443, 1449, 1495, 1554, 1610, 1638, 1665, 1702, 1755, 1794, 1890, 1998, 2070, 2093, 2331, 2405, 2415, 2457, 2553, 2590, 2691, 2730, 2886, 2898, 2990, 3105, 3330, 3367, 3510, 3885, 4095, 4186, 4255, 4329, 4347, 4485, 4662, 4810, 4830, 4914, 4995, 5106, 5382, 5957, 6210, 6279, 6734, 6993, 7215, 7245, 7659, 7770, 8073, 8190, 8510, 8658, 8694, 8970, 9990, 10101, 10465, 11063, 11655, 11914, 12285, 12558, 12765, 12987, 13455, 13986, 14430, 14490, 15318, 16146, 16835, 17871, 18837, 20202, 20930, 21645, 21735, 22126, 22977, 23310, 24570, 25530, 25974, 26910, 29785, 30303, 31395, 33189, 33670, 34965, 35742, 37674, 38295, 40365, 43290, 43470, 45954, 50505, 53613, 55315, 56511, 59570, 60606, 62790, 64935, 66378, 69930, 76590, 77441, 80730, 89355, 90909, 94185, 99567, 101010, 107226, 110630, 113022, 114885, 129870, 151515, 154882, 160839, 165945, 178710, 181818, 188370, 199134, 229770, 232323, 268065, 282555, 298701, 303030, 321678, 331890, 387205, 454545, 464646, 497835, 536130, 565110, 597402, 696969, 774410, 804195, 909090, 995670, 1161615, 1393938, 1493505, 1608390, 2090907, 2323230, 2987010, 3484845, 4181814, 6969690, 10454535, 20909070]

約数ペア:

[(1, 20909070), (2, 10454535), (3, 6969690), (5, 4181814), (6, 3484845), (7, 2987010), (9, 2323230), (10, 2090907), (13, 1608390), (14, 1493505), (15, 1393938), (18, 1161615), (21, 995670), (23, 909090), (26, 804195), (27, 774410), (30, 696969), (35, 597402), (37, 565110), (39, 536130), (42, 497835), (45, 464646), (46, 454545), (54, 387205), (63, 331890), (65, 321678), (69, 303030), (70, 298701), (74, 282555), (78, 268065), (90, 232323), (91, 229770), (105, 199134), (111, 188370), (115, 181818), (117, 178710), (126, 165945), (130, 160839), (135, 154882), (138, 151515), (161, 129870), (182, 114885), (185, 113022), (189, 110630), (195, 107226), (207, 101010), (210, 99567), (222, 94185), (230, 90909), (234, 89355), (259, 80730), (270, 77441), (273, 76590), (299, 69930), (315, 66378), (322, 64935), (333, 62790), (345, 60606), (351, 59570), (370, 56511), (378, 55315), (390, 53613), (414, 50505), (455, 45954), (481, 43470), (483, 43290), (518, 40365), (546, 38295), (555, 37674), (585, 35742), (598, 34965), (621, 33670), (630, 33189), (666, 31395), (690, 30303), (702, 29785), (777, 26910), (805, 25974), (819, 25530), (851, 24570), (897, 23310), (910, 22977), (945, 22126), (962, 21735), (966, 21645), (999, 20930), (1035, 20202), (1110, 18837), (1170, 17871), (1242, 16835), (1295, 16146), (1365, 15318), (1443, 14490), (1449, 14430), (1495, 13986), (1554, 13455), (1610, 12987), (1638, 12765), (1665, 12558), (1702, 12285), (1755, 11914), (1794, 11655), (1890, 11063), (1998, 10465), (2070, 10101), (2093, 9990), (2331, 8970), (2405, 8694), (2415, 8658), (2457, 8510), (2553, 8190), (2590, 8073), (2691, 7770), (2730, 7659), (2886, 7245), (2898, 7215), (2990, 6993), (3105, 6734), (3330, 6279), (3367, 6210), (3510, 5957), (3885, 5382), (4095, 5106), (4186, 4995), (4255, 4914), (4329, 4830), (4347, 4810), (4485, 4662)]