20559370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{947}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 19575158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 334, 835, 947, 1670, 1894, 2171, 4342, 4735, 9470, 10855, 12311, 21710, 24622, 61555, 123110, 158149, 316298, 790745, 1581490, 2055937, 4111874, 10279685, 20559370]

約数ペア:

[(1, 20559370), (2, 10279685), (5, 4111874), (10, 2055937), (13, 1581490), (26, 790745), (65, 316298), (130, 158149), (167, 123110), (334, 61555), (835, 24622), (947, 21710), (1670, 12311), (1894, 10855), (2171, 9470), (4342, 4735)]