20132685980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6689}}^1\times {\mathrm{13681}}^1$

素因数の和:20390

約数の個数: 48

約数和(自身を含む): 46132420320

約数和(自身を除く): 25999734340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6689, 13378, 13681, 26756, 27362, 33445, 54724, 66890, 68405, 73579, 133780, 136810, 147158, 150491, 273620, 294316, 300982, 367895, 601964, 735790, 752455, 1471580, 1504910, 3009820, 91512209, 183024418, 366048836, 457561045, 915122090, 1006634299, 1830244180, 2013268598, 4026537196, 5033171495, 10066342990, 20132685980]

約数ペア:

[(1, 20132685980), (2, 10066342990), (4, 5033171495), (5, 4026537196), (10, 2013268598), (11, 1830244180), (20, 1006634299), (22, 915122090), (44, 457561045), (55, 366048836), (110, 183024418), (220, 91512209), (6689, 3009820), (13378, 1504910), (13681, 1471580), (26756, 752455), (27362, 735790), (33445, 601964), (54724, 367895), (66890, 300982), (68405, 294316), (73579, 273620), (133780, 150491), (136810, 147158)]