20173979275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{634901}}^1$

素因数の和:634983

約数の個数: 24

約数和(自身を含む): 26452556928

約数和(自身を除く): 6278577653

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 1025, 1271, 6355, 31775, 634901, 3174505, 15872525, 19681931, 26030941, 98409655, 130154705, 492048275, 650773525, 806959171, 4034795855, 20173979275]

約数ペア:

[(1, 20173979275), (5, 4034795855), (25, 806959171), (31, 650773525), (41, 492048275), (155, 130154705), (205, 98409655), (775, 26030941), (1025, 19681931), (1271, 15872525), (6355, 3174505), (31775, 634901)]