20767500

素因数分解:

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

素因数の和:114

約数の個数: 180

約数和(自身を含む): 71639568

約数和(自身を除く): 50872068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 71, 75, 78, 90, 100, 117, 125, 130, 142, 150, 156, 180, 195, 213, 225, 234, 250, 260, 284, 300, 325, 355, 375, 390, 426, 450, 468, 500, 585, 625, 639, 650, 710, 750, 780, 852, 900, 923, 975, 1065, 1125, 1170, 1250, 1278, 1300, 1420, 1500, 1625, 1775, 1846, 1875, 1950, 2130, 2250, 2340, 2500, 2556, 2769, 2925, 3195, 3250, 3550, 3692, 3750, 3900, 4260, 4500, 4615, 4875, 5325, 5538, 5625, 5850, 6390, 6500, 7100, 7500, 8125, 8307, 8875, 9230, 9750, 10650, 11076, 11250, 11700, 12780, 13845, 14625, 15975, 16250, 16614, 17750, 18460, 19500, 21300, 22500, 23075, 24375, 26625, 27690, 29250, 31950, 32500, 33228, 35500, 41535, 44375, 46150, 48750, 53250, 55380, 58500, 63900, 69225, 73125, 79875, 83070, 88750, 92300, 97500, 106500, 115375, 133125, 138450, 146250, 159750, 166140, 177500, 207675, 230750, 266250, 276900, 292500, 319500, 346125, 399375, 415350, 461500, 532500, 576875, 692250, 798750, 830700, 1038375, 1153750, 1384500, 1597500, 1730625, 2076750, 2307500, 3461250, 4153500, 5191875, 6922500, 10383750, 20767500]

約数ペア:

[(1, 20767500), (2, 10383750), (3, 6922500), (4, 5191875), (5, 4153500), (6, 3461250), (9, 2307500), (10, 2076750), (12, 1730625), (13, 1597500), (15, 1384500), (18, 1153750), (20, 1038375), (25, 830700), (26, 798750), (30, 692250), (36, 576875), (39, 532500), (45, 461500), (50, 415350), (52, 399375), (60, 346125), (65, 319500), (71, 292500), (75, 276900), (78, 266250), (90, 230750), (100, 207675), (117, 177500), (125, 166140), (130, 159750), (142, 146250), (150, 138450), (156, 133125), (180, 115375), (195, 106500), (213, 97500), (225, 92300), (234, 88750), (250, 83070), (260, 79875), (284, 73125), (300, 69225), (325, 63900), (355, 58500), (375, 55380), (390, 53250), (426, 48750), (450, 46150), (468, 44375), (500, 41535), (585, 35500), (625, 33228), (639, 32500), (650, 31950), (710, 29250), (750, 27690), (780, 26625), (852, 24375), (900, 23075), (923, 22500), (975, 21300), (1065, 19500), (1125, 18460), (1170, 17750), (1250, 16614), (1278, 16250), (1300, 15975), (1420, 14625), (1500, 13845), (1625, 12780), (1775, 11700), (1846, 11250), (1875, 11076), (1950, 10650), (2130, 9750), (2250, 9230), (2340, 8875), (2500, 8307), (2556, 8125), (2769, 7500), (2925, 7100), (3195, 6500), (3250, 6390), (3550, 5850), (3692, 5625), (3750, 5538), (3900, 5325), (4260, 4875), (4500, 4615)]