20779780456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{314807}}^1$

素因数の和:315073

約数の個数: 32

約数和(自身を含む): 40194685440

約数和(自身を除く): 19414904984

約数列:

[1, 2, 4, 8, 37, 74, 148, 223, 296, 446, 892, 1784, 8251, 16502, 33004, 66008, 314807, 629614, 1259228, 2518456, 11647859, 23295718, 46591436, 70201961, 93182872, 140403922, 280807844, 561615688, 2597472557, 5194945114, 10389890228, 20779780456]

約数ペア:

[(1, 20779780456), (2, 10389890228), (4, 5194945114), (8, 2597472557), (37, 561615688), (74, 280807844), (148, 140403922), (223, 93182872), (296, 70201961), (446, 46591436), (892, 23295718), (1784, 11647859), (8251, 2518456), (16502, 1259228), (33004, 629614), (66008, 314807)]