20899814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8287}}^1$

素因数の和:8399

約数の個数: 16

約数和(自身を含む): 34113408

約数和(自身を除く): 13213594

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 8287, 16574, 107731, 215462, 803839, 1607678, 10449907, 20899814]

約数ペア:

[(1, 20899814), (2, 10449907), (13, 1607678), (26, 803839), (97, 215462), (194, 107731), (1261, 16574), (2522, 8287)]