20177408

素因数分解:

$2^9\times {\mathrm{39409}}^1$

素因数の和:39427

約数の個数: 20

約数和(自身を含む): 40316430

約数和(自身を除く): 20139022

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39409, 78818, 157636, 315272, 630544, 1261088, 2522176, 5044352, 10088704, 20177408]

約数ペア:

[(1, 20177408), (2, 10088704), (4, 5044352), (8, 2522176), (16, 1261088), (32, 630544), (64, 315272), (128, 157636), (256, 78818), (512, 39409)]