20125658505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78924151}}^1$

素因数の和:78924176

約数の個数: 16

約数和(自身を含む): 34095233664

約数和(自身を除く): 13969575159

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78924151, 236772453, 394620755, 1183862265, 1341710567, 4025131701, 6708552835, 20125658505]

約数ペア:

[(1, 20125658505), (3, 6708552835), (5, 4025131701), (15, 1341710567), (17, 1183862265), (51, 394620755), (85, 236772453), (255, 78924151)]