20306891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 24451632

約数和(自身を除く): 4144741

約数列:

[1, 11, 17, 31, 113, 187, 341, 527, 961, 1243, 1921, 3503, 5797, 10571, 16337, 21131, 38533, 59551, 108593, 179707, 655061, 1194523, 1846081, 20306891]

約数ペア:

[(1, 20306891), (11, 1846081), (17, 1194523), (31, 655061), (113, 179707), (187, 108593), (341, 59551), (527, 38533), (961, 21131), (1243, 16337), (1921, 10571), (3503, 5797)]