20425574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{2251}}^1$

素因数の和:2615

約数の個数: 16

約数和(自身を含む): 33104400

約数和(自身を除く): 12678826

約数列:

[1, 2, 13, 26, 349, 698, 2251, 4502, 4537, 9074, 29263, 58526, 785599, 1571198, 10212787, 20425574]

約数ペア:

[(1, 20425574), (2, 10212787), (13, 1571198), (26, 785599), (349, 58526), (698, 29263), (2251, 9074), (4502, 4537)]