20788968

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 54774720

約数和(自身を除く): 33985752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 296, 328, 444, 492, 571, 888, 984, 1142, 1517, 1713, 2284, 3034, 3426, 4551, 4568, 6068, 6852, 9102, 12136, 13704, 18204, 21127, 23411, 36408, 42254, 46822, 63381, 70233, 84508, 93644, 126762, 140466, 169016, 187288, 253524, 280932, 507048, 561864, 866207, 1732414, 2598621, 3464828, 5197242, 6929656, 10394484, 20788968]

約数ペア:

[(1, 20788968), (2, 10394484), (3, 6929656), (4, 5197242), (6, 3464828), (8, 2598621), (12, 1732414), (24, 866207), (37, 561864), (41, 507048), (74, 280932), (82, 253524), (111, 187288), (123, 169016), (148, 140466), (164, 126762), (222, 93644), (246, 84508), (296, 70233), (328, 63381), (444, 46822), (492, 42254), (571, 36408), (888, 23411), (984, 21127), (1142, 18204), (1517, 13704), (1713, 12136), (2284, 9102), (3034, 6852), (3426, 6068), (4551, 4568)]