20913126

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1361}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 45305568

約数和(自身を除く): 24392442

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 197, 394, 591, 1182, 1361, 2561, 2722, 4083, 5122, 7683, 8166, 15366, 17693, 35386, 53079, 106158, 268117, 536234, 804351, 1608702, 3485521, 6971042, 10456563, 20913126]

約数ペア:

[(1, 20913126), (2, 10456563), (3, 6971042), (6, 3485521), (13, 1608702), (26, 804351), (39, 536234), (78, 268117), (197, 106158), (394, 53079), (591, 35386), (1182, 17693), (1361, 15366), (2561, 8166), (2722, 7683), (4083, 5122)]