20480472

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1857

約数の個数: 64

約数和(自身を含む): 57996000

約数和(自身を除く): 37515528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1789, 1908, 2862, 3578, 3816, 5367, 5724, 7156, 10734, 11448, 14312, 16101, 21468, 32202, 42936, 48303, 64404, 94817, 96606, 128808, 189634, 193212, 284451, 379268, 386424, 568902, 758536, 853353, 1137804, 1706706, 2275608, 2560059, 3413412, 5120118, 6826824, 10240236, 20480472]

約数ペア:

[(1, 20480472), (2, 10240236), (3, 6826824), (4, 5120118), (6, 3413412), (8, 2560059), (9, 2275608), (12, 1706706), (18, 1137804), (24, 853353), (27, 758536), (36, 568902), (53, 386424), (54, 379268), (72, 284451), (106, 193212), (108, 189634), (159, 128808), (212, 96606), (216, 94817), (318, 64404), (424, 48303), (477, 42936), (636, 32202), (954, 21468), (1272, 16101), (1431, 14312), (1789, 11448), (1908, 10734), (2862, 7156), (3578, 5724), (3816, 5367)]