20565064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197741}}^1$

素因数の和:197760

約数の個数: 16

約数和(自身を含む): 41525820

約数和(自身を除く): 20960756

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197741, 395482, 790964, 1581928, 2570633, 5141266, 10282532, 20565064]

約数ペア:

[(1, 20565064), (2, 10282532), (4, 5141266), (8, 2570633), (13, 1581928), (26, 790964), (52, 395482), (104, 197741)]