20121056336

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4893253}}^1$

素因数の和:4893518

約数の個数: 20

約数和(自身を含む): 39136245492

約数和(自身を除く): 19015189156

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4893253, 9786506, 19573012, 39146024, 78292048, 1257566021, 2515132042, 5030264084, 10060528168, 20121056336]

約数ペア:

[(1, 20121056336), (2, 10060528168), (4, 5030264084), (8, 2515132042), (16, 1257566021), (257, 78292048), (514, 39146024), (1028, 19573012), (2056, 9786506), (4112, 4893253)]