20553688947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{947}}^1\times {\mathrm{1987}}^1$

素因数の和:3279

約数の個数: 32

約数和(自身を含む): 30033368064

約数和(自身を除く): 9479679117

約数列:

[1, 3, 11, 33, 331, 947, 993, 1987, 2841, 3641, 5961, 10417, 10923, 21857, 31251, 65571, 313457, 657697, 940371, 1881689, 1973091, 3448027, 5645067, 7234667, 10344081, 20698579, 21704001, 62095737, 622839059, 1868517177, 6851229649, 20553688947]

約数ペア:

[(1, 20553688947), (3, 6851229649), (11, 1868517177), (33, 622839059), (331, 62095737), (947, 21704001), (993, 20698579), (1987, 10344081), (2841, 7234667), (3641, 5645067), (5961, 3448027), (10417, 1973091), (10923, 1881689), (21857, 940371), (31251, 657697), (65571, 313457)]