20884279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1783}}^1$

素因数の和:1866

約数の個数: 16

約数和(自身を含む): 24276672

約数和(自身を除く): 3392393

約数列:

[1, 13, 17, 53, 221, 689, 901, 1783, 11713, 23179, 30311, 94499, 394043, 1228487, 1606483, 20884279]

約数ペア:

[(1, 20884279), (13, 1606483), (17, 1228487), (53, 394043), (221, 94499), (689, 30311), (901, 23179), (1783, 11713)]