20414848

素因数分解:

$2^7\times {\mathrm{159491}}^1$

素因数の和:159505

約数の個数: 16

約数和(自身を含む): 40670460

約数和(自身を除く): 20255612

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 159491, 318982, 637964, 1275928, 2551856, 5103712, 10207424, 20414848]

約数ペア:

[(1, 20414848), (2, 10207424), (4, 5103712), (8, 2551856), (16, 1275928), (32, 637964), (64, 318982), (128, 159491)]