20679802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72307}}^1$

素因数の和:72333

約数の個数: 16

約数和(自身を含む): 36443232

約数和(自身を除く): 15763430

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72307, 144614, 795377, 939991, 1590754, 1879982, 10339901, 20679802]

約数ペア:

[(1, 20679802), (2, 10339901), (11, 1879982), (13, 1590754), (22, 939991), (26, 795377), (143, 144614), (286, 72307)]