20129767528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193555457}}^1$

素因数の和:193555476

約数の個数: 16

約数和(自身を含む): 40646646180

約数和(自身を除く): 20516878652

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193555457, 387110914, 774221828, 1548443656, 2516220941, 5032441882, 10064883764, 20129767528]

約数ペア:

[(1, 20129767528), (2, 10064883764), (4, 5032441882), (8, 2516220941), (13, 1548443656), (26, 774221828), (52, 387110914), (104, 193555457)]