20201887585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{39877}}^1$

素因数の和:40105

約数の個数: 32

約数和(自身を含む): 27058339584

約数和(自身を除く): 6856451999

約数列:

[1, 5, 11, 55, 61, 151, 305, 671, 755, 1661, 3355, 8305, 9211, 39877, 46055, 101321, 199385, 438647, 506605, 2193235, 2432497, 6021427, 12162485, 26757467, 30107135, 66235697, 133787335, 331178485, 367307047, 1836535235, 4040377517, 20201887585]

約数ペア:

[(1, 20201887585), (5, 4040377517), (11, 1836535235), (55, 367307047), (61, 331178485), (151, 133787335), (305, 66235697), (671, 30107135), (755, 26757467), (1661, 12162485), (3355, 6021427), (8305, 2432497), (9211, 2193235), (39877, 506605), (46055, 438647), (101321, 199385)]