20295128

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12497}}^1$

素因数の和:12539

約数の個数: 32

約数和(自身を含む): 44992800

約数和(自身を除く): 24697672

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12497, 24994, 49988, 87479, 99976, 174958, 349916, 362413, 699832, 724826, 1449652, 2536891, 2899304, 5073782, 10147564, 20295128]

約数ペア:

[(1, 20295128), (2, 10147564), (4, 5073782), (7, 2899304), (8, 2536891), (14, 1449652), (28, 724826), (29, 699832), (56, 362413), (58, 349916), (116, 174958), (203, 99976), (232, 87479), (406, 49988), (812, 24994), (1624, 12497)]