20188034416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{456991}}^1$

素因数の和:457261

約数の個数: 40

約数和(自身を含む): 42840258048

約数和(自身を除く): 22652223632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 251, 502, 1004, 2008, 2761, 4016, 5522, 11044, 22088, 44176, 456991, 913982, 1827964, 3655928, 5026901, 7311856, 10053802, 20107604, 40215208, 80430416, 114704741, 229409482, 458818964, 917637928, 1261752151, 1835275856, 2523504302, 5047008604, 10094017208, 20188034416]

約数ペア:

[(1, 20188034416), (2, 10094017208), (4, 5047008604), (8, 2523504302), (11, 1835275856), (16, 1261752151), (22, 917637928), (44, 458818964), (88, 229409482), (176, 114704741), (251, 80430416), (502, 40215208), (1004, 20107604), (2008, 10053802), (2761, 7311856), (4016, 5026901), (5522, 3655928), (11044, 1827964), (22088, 913982), (44176, 456991)]