20539466

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{991}}^1$

素因数の和:1277

約数の個数: 16

約数和(自身を含む): 31688448

約数和(自身を除く): 11148982

約数列:

[1, 2, 43, 86, 241, 482, 991, 1982, 10363, 20726, 42613, 85226, 238831, 477662, 10269733, 20539466]

約数ペア:

[(1, 20539466), (2, 10269733), (43, 477662), (86, 238831), (241, 85226), (482, 42613), (991, 20726), (1982, 10363)]