20122509905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{6067}}^1$

素因数の和:6437

約数の個数: 32

約数和(自身を含む): 25500745728

約数和(自身を除く): 5378235823

約数列:

[1, 5, 23, 115, 151, 191, 755, 955, 3473, 4393, 6067, 17365, 21965, 28841, 30335, 139541, 144205, 663343, 697705, 916117, 1158797, 3316715, 4580585, 5793985, 21070691, 26652331, 105353455, 133261655, 174978347, 874891735, 4024501981, 20122509905]

約数ペア:

[(1, 20122509905), (5, 4024501981), (23, 874891735), (115, 174978347), (151, 133261655), (191, 105353455), (755, 26652331), (955, 21070691), (3473, 5793985), (4393, 4580585), (6067, 3316715), (17365, 1158797), (21965, 916117), (28841, 697705), (30335, 663343), (139541, 144205)]