20862998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18661}}^1$

素因数の和:18719

約数の個数: 16

約数和(自身を含む): 34487376

約数和(自身を除く): 13624378

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18661, 37322, 242593, 485186, 802423, 1604846, 10431499, 20862998]

約数ペア:

[(1, 20862998), (2, 10431499), (13, 1604846), (26, 802423), (43, 485186), (86, 242593), (559, 37322), (1118, 18661)]