20120228590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79423}}^1$

素因数の和:79502

約数の個数: 96

約数和(自身を含む): 46937677824

約数和(自身を除く): 26817449234

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 47, 49, 55, 70, 77, 94, 98, 110, 154, 235, 245, 329, 385, 470, 490, 517, 539, 658, 770, 1034, 1078, 1645, 2303, 2585, 2695, 3290, 3619, 4606, 5170, 5390, 7238, 11515, 18095, 23030, 25333, 36190, 50666, 79423, 126665, 158846, 253330, 397115, 555961, 794230, 873653, 1111922, 1747306, 2779805, 3732881, 3891727, 4368265, 5559610, 6115571, 7465762, 7783454, 8736530, 12231142, 18664405, 19458635, 26130167, 30577855, 37328810, 38917270, 41061691, 42808997, 52260334, 61155710, 82123382, 85617994, 130650835, 182911169, 205308455, 214044985, 261301670, 287431837, 365822338, 410616910, 428089970, 574863674, 914555845, 1437159185, 1829111690, 2012022859, 2874318370, 4024045718, 10060114295, 20120228590]

約数ペア:

[(1, 20120228590), (2, 10060114295), (5, 4024045718), (7, 2874318370), (10, 2012022859), (11, 1829111690), (14, 1437159185), (22, 914555845), (35, 574863674), (47, 428089970), (49, 410616910), (55, 365822338), (70, 287431837), (77, 261301670), (94, 214044985), (98, 205308455), (110, 182911169), (154, 130650835), (235, 85617994), (245, 82123382), (329, 61155710), (385, 52260334), (470, 42808997), (490, 41061691), (517, 38917270), (539, 37328810), (658, 30577855), (770, 26130167), (1034, 19458635), (1078, 18664405), (1645, 12231142), (2303, 8736530), (2585, 7783454), (2695, 7465762), (3290, 6115571), (3619, 5559610), (4606, 4368265), (5170, 3891727), (5390, 3732881), (7238, 2779805), (11515, 1747306), (18095, 1111922), (23030, 873653), (25333, 794230), (36190, 555961), (50666, 397115), (79423, 253330), (126665, 158846)]