20173965136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9623}}^1\times {\mathrm{10079}}^1$

素因数の和:19723

約数の個数: 40

約数和(自身を含む): 42102305280

約数和(自身を除く): 21928340144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9623, 10079, 19246, 20158, 38492, 40316, 76984, 80632, 125099, 131027, 153968, 161264, 250198, 262054, 500396, 524108, 1000792, 1048216, 2001584, 2096432, 96990217, 193980434, 387960868, 775921736, 1260872821, 1551843472, 2521745642, 5043491284, 10086982568, 20173965136]

約数ペア:

[(1, 20173965136), (2, 10086982568), (4, 5043491284), (8, 2521745642), (13, 1551843472), (16, 1260872821), (26, 775921736), (52, 387960868), (104, 193980434), (208, 96990217), (9623, 2096432), (10079, 2001584), (19246, 1048216), (20158, 1000792), (38492, 524108), (40316, 500396), (76984, 262054), (80632, 250198), (125099, 161264), (131027, 153968)]