20290523

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 23055360

約数和(自身を除く): 2764837

約数列:

[1, 11, 31, 157, 341, 379, 1727, 4169, 4867, 11749, 53537, 59503, 129239, 654533, 1844593, 20290523]

約数ペア:

[(1, 20290523), (11, 1844593), (31, 654533), (157, 129239), (341, 59503), (379, 53537), (1727, 11749), (4169, 4867)]