20189144625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{56731}}^1$

素因数の和:56835

約数の個数: 64

約数和(自身を含む): 36675195648

約数和(自身を除く): 16486051023

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 73, 75, 125, 195, 219, 325, 365, 375, 949, 975, 1095, 1625, 1825, 2847, 4745, 4875, 5475, 9125, 14235, 23725, 27375, 56731, 71175, 118625, 170193, 283655, 355875, 737503, 850965, 1418275, 2212509, 3687515, 4141363, 4254825, 7091375, 11062545, 12424089, 18437575, 20706815, 21274125, 53837719, 55312725, 62120445, 92187875, 103534075, 161513157, 269188595, 276563625, 310602225, 517670375, 807565785, 1345942975, 1553011125, 4037828925, 6729714875, 20189144625]

約数ペア:

[(1, 20189144625), (3, 6729714875), (5, 4037828925), (13, 1553011125), (15, 1345942975), (25, 807565785), (39, 517670375), (65, 310602225), (73, 276563625), (75, 269188595), (125, 161513157), (195, 103534075), (219, 92187875), (325, 62120445), (365, 55312725), (375, 53837719), (949, 21274125), (975, 20706815), (1095, 18437575), (1625, 12424089), (1825, 11062545), (2847, 7091375), (4745, 4254825), (4875, 4141363), (5475, 3687515), (9125, 2212509), (14235, 1418275), (23725, 850965), (27375, 737503), (56731, 355875), (71175, 283655), (118625, 170193)]