20986418

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1\times {\mathrm{607}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 11188942

約数列:

[1, 2, 59, 118, 293, 586, 607, 1214, 17287, 34574, 35813, 71626, 177851, 355702, 10493209, 20986418]

約数ペア:

[(1, 20986418), (2, 10493209), (59, 355702), (118, 177851), (293, 71626), (586, 35813), (607, 34574), (1214, 17287)]