20171747585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{18457}}^1$

素因数の和:19145

約数の個数: 32

約数和(自身を含む): 27302482944

約数和(自身を除く): 7130735359

約数列:

[1, 5, 11, 31, 55, 155, 341, 641, 1705, 3205, 7051, 18457, 19871, 35255, 92285, 99355, 203027, 218581, 572167, 1015135, 1092905, 2860835, 6293837, 11830937, 31469185, 59154685, 130140307, 366759047, 650701535, 1833795235, 4034349517, 20171747585]

約数ペア:

[(1, 20171747585), (5, 4034349517), (11, 1833795235), (31, 650701535), (55, 366759047), (155, 130140307), (341, 59154685), (641, 31469185), (1705, 11830937), (3205, 6293837), (7051, 2860835), (18457, 1092905), (19871, 1015135), (35255, 572167), (92285, 218581), (99355, 203027)]