20882158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 35877888

約数和(自身を除く): 14995730

約数列:

[1, 2, 11, 22, 31, 62, 67, 134, 341, 457, 682, 737, 914, 1474, 2077, 4154, 5027, 10054, 14167, 22847, 28334, 30619, 45694, 61238, 155837, 311674, 336809, 673618, 949189, 1898378, 10441079, 20882158]

約数ペア:

[(1, 20882158), (2, 10441079), (11, 1898378), (22, 949189), (31, 673618), (62, 336809), (67, 311674), (134, 155837), (341, 61238), (457, 45694), (682, 30619), (737, 28334), (914, 22847), (1474, 14167), (2077, 10054), (4154, 5027)]