20482500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2731}}^1$

素因数の和:2758

約数の個数: 60

約数和(自身を含む): 59743376

約数和(自身を除く): 39260876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2731, 3750, 5462, 7500, 8193, 10924, 13655, 16386, 27310, 32772, 40965, 54620, 68275, 81930, 136550, 163860, 204825, 273100, 341375, 409650, 682750, 819300, 1024125, 1365500, 1706875, 2048250, 3413750, 4096500, 5120625, 6827500, 10241250, 20482500]

約数ペア:

[(1, 20482500), (2, 10241250), (3, 6827500), (4, 5120625), (5, 4096500), (6, 3413750), (10, 2048250), (12, 1706875), (15, 1365500), (20, 1024125), (25, 819300), (30, 682750), (50, 409650), (60, 341375), (75, 273100), (100, 204825), (125, 163860), (150, 136550), (250, 81930), (300, 68275), (375, 54620), (500, 40965), (625, 32772), (750, 27310), (1250, 16386), (1500, 13655), (1875, 10924), (2500, 8193), (2731, 7500), (3750, 5462)]