220948816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1255391}}^1$

素因数の和:1255410

約数の個数: 20

約数和(自身を含む): 467005824

約数和(自身を除く): 246057008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1255391, 2510782, 5021564, 10043128, 13809301, 20086256, 27618602, 55237204, 110474408, 220948816]

約数ペア:

[(1, 220948816), (2, 110474408), (4, 55237204), (8, 27618602), (11, 20086256), (16, 13809301), (22, 10043128), (44, 5021564), (88, 2510782), (176, 1255391)]