20173851471

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1877}}^1\times {\mathrm{2939}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 28622522880

約数和(自身を除く): 8448671409

約数列:

[1, 3, 23, 53, 69, 159, 1219, 1877, 2939, 3657, 5631, 8817, 43171, 67597, 99481, 129513, 155767, 202791, 298443, 467301, 2288063, 3582641, 5516503, 6864189, 10747923, 16549509, 126879569, 292374659, 380638707, 877123977, 6724617157, 20173851471]

約数ペア:

[(1, 20173851471), (3, 6724617157), (23, 877123977), (53, 380638707), (69, 292374659), (159, 126879569), (1219, 16549509), (1877, 10747923), (2939, 6864189), (3657, 5516503), (5631, 3582641), (8817, 2288063), (43171, 467301), (67597, 298443), (99481, 202791), (129513, 155767)]