20893872

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 35673936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 53, 86, 106, 129, 159, 172, 191, 212, 258, 318, 344, 382, 424, 516, 573, 636, 688, 764, 848, 1032, 1146, 1272, 1528, 2064, 2279, 2292, 2544, 3056, 4558, 4584, 6837, 8213, 9116, 9168, 10123, 13674, 16426, 18232, 20246, 24639, 27348, 30369, 32852, 36464, 40492, 49278, 54696, 60738, 65704, 80984, 98556, 109392, 121476, 131408, 161968, 197112, 242952, 394224, 435289, 485904, 870578, 1305867, 1741156, 2611734, 3482312, 5223468, 6964624, 10446936, 20893872]

約数ペア:

[(1, 20893872), (2, 10446936), (3, 6964624), (4, 5223468), (6, 3482312), (8, 2611734), (12, 1741156), (16, 1305867), (24, 870578), (43, 485904), (48, 435289), (53, 394224), (86, 242952), (106, 197112), (129, 161968), (159, 131408), (172, 121476), (191, 109392), (212, 98556), (258, 80984), (318, 65704), (344, 60738), (382, 54696), (424, 49278), (516, 40492), (573, 36464), (636, 32852), (688, 30369), (764, 27348), (848, 24639), (1032, 20246), (1146, 18232), (1272, 16426), (1528, 13674), (2064, 10123), (2279, 9168), (2292, 9116), (2544, 8213), (3056, 6837), (4558, 4584)]