20749859

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 23173920

約数和(自身を除く): 2424061

約数列:

[1, 13, 37, 179, 241, 481, 2327, 3133, 6623, 8917, 43139, 86099, 115921, 560807, 1596143, 20749859]

約数ペア:

[(1, 20749859), (13, 1596143), (37, 560807), (179, 115921), (241, 86099), (481, 43139), (2327, 8917), (3133, 6623)]