20825292

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 51497600

約数和(自身を除く): 30672308

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 241, 379, 482, 723, 758, 964, 1137, 1446, 1516, 2274, 2892, 4548, 4579, 7201, 9158, 13737, 14402, 18316, 21603, 27474, 28804, 43206, 54948, 86412, 91339, 182678, 274017, 365356, 548034, 1096068, 1735441, 3470882, 5206323, 6941764, 10412646, 20825292]

約数ペア:

[(1, 20825292), (2, 10412646), (3, 6941764), (4, 5206323), (6, 3470882), (12, 1735441), (19, 1096068), (38, 548034), (57, 365356), (76, 274017), (114, 182678), (228, 91339), (241, 86412), (379, 54948), (482, 43206), (723, 28804), (758, 27474), (964, 21603), (1137, 18316), (1446, 14402), (1516, 13737), (2274, 9158), (2892, 7201), (4548, 4579)]