20421488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75079}}^1$

素因数の和:75104

約数の個数: 20

約数和(自身を含む): 41894640

約数和(自身を除く): 21473152

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75079, 150158, 300316, 600632, 1201264, 1276343, 2552686, 5105372, 10210744, 20421488]

約数ペア:

[(1, 20421488), (2, 10210744), (4, 5105372), (8, 2552686), (16, 1276343), (17, 1201264), (34, 600632), (68, 300316), (136, 150158), (272, 75079)]