20252360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 47764080

約数和(自身を除く): 27511720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 233, 265, 328, 410, 424, 466, 530, 820, 932, 1060, 1165, 1640, 1864, 2120, 2173, 2330, 4346, 4660, 8692, 9320, 9553, 10865, 12349, 17384, 19106, 21730, 24698, 38212, 43460, 47765, 49396, 61745, 76424, 86920, 95530, 98792, 123490, 191060, 246980, 382120, 493960, 506309, 1012618, 2025236, 2531545, 4050472, 5063090, 10126180, 20252360]

約数ペア:

[(1, 20252360), (2, 10126180), (4, 5063090), (5, 4050472), (8, 2531545), (10, 2025236), (20, 1012618), (40, 506309), (41, 493960), (53, 382120), (82, 246980), (106, 191060), (164, 123490), (205, 98792), (212, 95530), (233, 86920), (265, 76424), (328, 61745), (410, 49396), (424, 47765), (466, 43460), (530, 38212), (820, 24698), (932, 21730), (1060, 19106), (1165, 17384), (1640, 12349), (1864, 10865), (2120, 9553), (2173, 9320), (2330, 8692), (4346, 4660)]