20010368080

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1092269}}^1$

素因数の和:1092511

約数の個数: 40

約数和(自身を含む): 46727310600

約数和(自身を除く): 26716942520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 1092269, 2184538, 4369076, 5461345, 8738152, 10922690, 17476304, 21845380, 43690760, 87381520, 250129601, 500259202, 1000518404, 1250648005, 2001036808, 2501296010, 4002073616, 5002592020, 10005184040, 20010368080]

約数ペア:

[(1, 20010368080), (2, 10005184040), (4, 5002592020), (5, 4002073616), (8, 2501296010), (10, 2001036808), (16, 1250648005), (20, 1000518404), (40, 500259202), (80, 250129601), (229, 87381520), (458, 43690760), (916, 21845380), (1145, 17476304), (1832, 10922690), (2290, 8738152), (3664, 5461345), (4580, 4369076), (9160, 2184538), (18320, 1092269)]