20685804

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3326

約数の個数: 48

約数和(自身を含む): 52770816

約数和(自身を除く): 32085012

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 372, 527, 1054, 1581, 2108, 3162, 3271, 6324, 6542, 9813, 13084, 19626, 39252, 55607, 101401, 111214, 166821, 202802, 222428, 304203, 333642, 405604, 608406, 667284, 1216812, 1723817, 3447634, 5171451, 6895268, 10342902, 20685804]

約数ペア:

[(1, 20685804), (2, 10342902), (3, 6895268), (4, 5171451), (6, 3447634), (12, 1723817), (17, 1216812), (31, 667284), (34, 608406), (51, 405604), (62, 333642), (68, 304203), (93, 222428), (102, 202802), (124, 166821), (186, 111214), (204, 101401), (372, 55607), (527, 39252), (1054, 19626), (1581, 13084), (2108, 9813), (3162, 6542), (3271, 6324)]