20157304531

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1\times {\mathrm{1433}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 24954628608

約数和(自身を除く): 4797324077

約数列:

[1, 7, 13, 91, 331, 467, 1433, 2317, 3269, 4303, 6071, 10031, 18629, 30121, 42497, 130403, 154577, 474323, 669211, 1082039, 2009501, 3320261, 4684477, 6166199, 8699743, 14066507, 43163393, 60898201, 221508841, 1550561887, 2879614933, 20157304531]

約数ペア:

[(1, 20157304531), (7, 2879614933), (13, 1550561887), (91, 221508841), (331, 60898201), (467, 43163393), (1433, 14066507), (2317, 8699743), (3269, 6166199), (4303, 4684477), (6071, 3320261), (10031, 2009501), (18629, 1082039), (30121, 669211), (42497, 474323), (130403, 154577)]