20828104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12457}}^1$

素因数の和:12493

約数の個数: 32

約数和(自身を含む): 44848800

約数和(自身を除く): 24020696

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12457, 24914, 49828, 99656, 137027, 236683, 274054, 473366, 548108, 946732, 1096216, 1893464, 2603513, 5207026, 10414052, 20828104]

約数ペア:

[(1, 20828104), (2, 10414052), (4, 5207026), (8, 2603513), (11, 1893464), (19, 1096216), (22, 946732), (38, 548108), (44, 473366), (76, 274054), (88, 236683), (152, 137027), (209, 99656), (418, 49828), (836, 24914), (1672, 12457)]