20180643908

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1401823}}^1$

素因数の和:1401947

約数の個数: 24

約数和(自身を含む): 36503496960

約数和(自身を除く): 16322853052

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 3599, 7198, 14396, 1401823, 2803646, 5607292, 82707557, 85511203, 165415114, 171022406, 330830228, 342044812, 5045160977, 10090321954, 20180643908]

約数ペア:

[(1, 20180643908), (2, 10090321954), (4, 5045160977), (59, 342044812), (61, 330830228), (118, 171022406), (122, 165415114), (236, 85511203), (244, 82707557), (3599, 5607292), (7198, 2803646), (14396, 1401823)]