20246000

素因数分解:

$2^4\times 5^3\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 80

約数和(自身を含む): 50139648

約数和(自身を除く): 29893648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 125, 191, 200, 212, 250, 265, 382, 400, 424, 500, 530, 764, 848, 955, 1000, 1060, 1325, 1528, 1910, 2000, 2120, 2650, 3056, 3820, 4240, 4775, 5300, 6625, 7640, 9550, 10123, 10600, 13250, 15280, 19100, 20246, 21200, 23875, 26500, 38200, 40492, 47750, 50615, 53000, 76400, 80984, 95500, 101230, 106000, 161968, 191000, 202460, 253075, 382000, 404920, 506150, 809840, 1012300, 1265375, 2024600, 2530750, 4049200, 5061500, 10123000, 20246000]

約数ペア:

[(1, 20246000), (2, 10123000), (4, 5061500), (5, 4049200), (8, 2530750), (10, 2024600), (16, 1265375), (20, 1012300), (25, 809840), (40, 506150), (50, 404920), (53, 382000), (80, 253075), (100, 202460), (106, 191000), (125, 161968), (191, 106000), (200, 101230), (212, 95500), (250, 80984), (265, 76400), (382, 53000), (400, 50615), (424, 47750), (500, 40492), (530, 38200), (764, 26500), (848, 23875), (955, 21200), (1000, 20246), (1060, 19100), (1325, 15280), (1528, 13250), (1910, 10600), (2000, 10123), (2120, 9550), (2650, 7640), (3056, 6625), (3820, 5300), (4240, 4775)]