20542558

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1083

約数の個数: 16

約数和(自身を含む): 31696560

約数和(自身を除く): 11154002

約数列:

[1, 2, 41, 82, 379, 661, 758, 1322, 15539, 27101, 31078, 54202, 250519, 501038, 10271279, 20542558]

約数ペア:

[(1, 20542558), (2, 10271279), (41, 501038), (82, 250519), (379, 54202), (661, 31078), (758, 27101), (1322, 15539)]