20173745870

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9561017}}^1$

素因数の和:9561235

約数の個数: 16

約数和(自身を含む): 36484844688

約数和(自身を除く): 16311098818

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9561017, 19122034, 47805085, 95610170, 2017374587, 4034749174, 10086872935, 20173745870]

約数ペア:

[(1, 20173745870), (2, 10086872935), (5, 4034749174), (10, 2017374587), (211, 95610170), (422, 47805085), (1055, 19122034), (2110, 9561017)]