20453274

素因数分解:

$2^1\times 3^2\times {\mathrm{569}}^1\times {\mathrm{1997}}^1$

素因数の和:2574

約数の個数: 24

約数和(自身を含む): 44415540

約数和(自身を除く): 23962266

約数列:

[1, 2, 3, 6, 9, 18, 569, 1138, 1707, 1997, 3414, 3994, 5121, 5991, 10242, 11982, 17973, 35946, 1136293, 2272586, 3408879, 6817758, 10226637, 20453274]

約数ペア:

[(1, 20453274), (2, 10226637), (3, 6817758), (6, 3408879), (9, 2272586), (18, 1136293), (569, 35946), (1138, 17973), (1707, 11982), (1997, 10242), (3414, 5991), (3994, 5121)]