20199802748912

素因数分解:

$2^4\times {\mathrm{42359}}^1\times {\mathrm{29804473}}^1$

素因数の和:29846840

約数の個数: 20

約数和(自身を含む): 39138043077840

約数和(自身を除く): 18938240328928

約数列:

[1, 2, 4, 8, 16, 42359, 84718, 169436, 338872, 677744, 29804473, 59608946, 119217892, 238435784, 476871568, 1262487671807, 2524975343614, 5049950687228, 10099901374456, 20199802748912]

約数ペア:

[(1, 20199802748912), (2, 10099901374456), (4, 5049950687228), (8, 2524975343614), (16, 1262487671807), (42359, 476871568), (84718, 238435784), (169436, 119217892), (338872, 59608946), (677744, 29804473)]