20455592

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{3989}}^1$

素因数の和:4636

約数の個数: 16

約数和(自身を含む): 38423700

約数和(自身を除く): 17968108

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 3989, 5128, 7978, 15956, 31912, 2556949, 5113898, 10227796, 20455592]

約数ペア:

[(1, 20455592), (2, 10227796), (4, 5113898), (8, 2556949), (641, 31912), (1282, 15956), (2564, 7978), (3989, 5128)]