20267312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 42653520

約数和(自身を除く): 22386208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 701, 1112, 1402, 1807, 2224, 2804, 3614, 5608, 7228, 9113, 11216, 14456, 18226, 28912, 36452, 72904, 97439, 145808, 194878, 389756, 779512, 1266707, 1559024, 2533414, 5066828, 10133656, 20267312]

約数ペア:

[(1, 20267312), (2, 10133656), (4, 5066828), (8, 2533414), (13, 1559024), (16, 1266707), (26, 779512), (52, 389756), (104, 194878), (139, 145808), (208, 97439), (278, 72904), (556, 36452), (701, 28912), (1112, 18226), (1402, 14456), (1807, 11216), (2224, 9113), (2804, 7228), (3614, 5608)]