20987039

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 23436000

約数和(自身を除く): 2448961

約数列:

[1, 19, 29, 41, 551, 779, 929, 1189, 17651, 22591, 26941, 38089, 511879, 723691, 1104581, 20987039]

約数ペア:

[(1, 20987039), (19, 1104581), (29, 723691), (41, 511879), (551, 38089), (779, 26941), (929, 22591), (1189, 17651)]