20100964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6337}}^1$

素因数の和:6415

約数の個数: 24

約数和(自身を含む): 38509688

約数和(自身を除く): 18408724

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6337, 12674, 25348, 82381, 164762, 329524, 386557, 773114, 1546228, 5025241, 10050482, 20100964]

約数ペア:

[(1, 20100964), (2, 10050482), (4, 5025241), (13, 1546228), (26, 773114), (52, 386557), (61, 329524), (122, 164762), (244, 82381), (793, 25348), (1586, 12674), (3172, 6337)]