20201904

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2647}}^1$

素因数の和:2714

約数の個数: 60

約数和(自身を含む): 57625776

約数和(自身を除く): 37423872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2647, 3816, 5294, 7632, 7941, 10588, 15882, 21176, 23823, 31764, 42352, 47646, 63528, 95292, 127056, 140291, 190584, 280582, 381168, 420873, 561164, 841746, 1122328, 1262619, 1683492, 2244656, 2525238, 3366984, 5050476, 6733968, 10100952, 20201904]

約数ペア:

[(1, 20201904), (2, 10100952), (3, 6733968), (4, 5050476), (6, 3366984), (8, 2525238), (9, 2244656), (12, 1683492), (16, 1262619), (18, 1122328), (24, 841746), (36, 561164), (48, 420873), (53, 381168), (72, 280582), (106, 190584), (144, 140291), (159, 127056), (212, 95292), (318, 63528), (424, 47646), (477, 42352), (636, 31764), (848, 23823), (954, 21176), (1272, 15882), (1908, 10588), (2544, 7941), (2647, 7632), (3816, 5294)]