20136425840

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2443741}}^1$

素因数の和:2443857

約数の個数: 40

約数和(自身を含む): 47271745248

約数和(自身を除く): 27135319408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 2443741, 4887482, 9774964, 12218705, 19549928, 24437410, 39099856, 48874820, 97749640, 195499280, 251705323, 503410646, 1006821292, 1258526615, 2013642584, 2517053230, 4027285168, 5034106460, 10068212920, 20136425840]

約数ペア:

[(1, 20136425840), (2, 10068212920), (4, 5034106460), (5, 4027285168), (8, 2517053230), (10, 2013642584), (16, 1258526615), (20, 1006821292), (40, 503410646), (80, 251705323), (103, 195499280), (206, 97749640), (412, 48874820), (515, 39099856), (824, 24437410), (1030, 19549928), (1648, 12218705), (2060, 9774964), (4120, 4887482), (8240, 2443741)]