20177476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:960

約数の個数: 36

約数和(自身を含む): 39682944

約数和(自身を除く): 19505468

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 887, 1034, 1774, 2068, 3548, 5687, 9757, 11374, 19514, 22748, 39028, 41689, 83378, 107327, 166756, 214654, 429308, 458579, 917158, 1834316, 5044369, 10088738, 20177476]

約数ペア:

[(1, 20177476), (2, 10088738), (4, 5044369), (11, 1834316), (22, 917158), (44, 458579), (47, 429308), (94, 214654), (121, 166756), (188, 107327), (242, 83378), (484, 41689), (517, 39028), (887, 22748), (1034, 19514), (1774, 11374), (2068, 9757), (3548, 5687)]