20886177

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 31651200

約数和(自身を除く): 10765023

約数列:

[1, 3, 13, 29, 39, 59, 87, 177, 313, 377, 767, 939, 1131, 1711, 2301, 4069, 5133, 9077, 12207, 18467, 22243, 27231, 55401, 66729, 118001, 240071, 354003, 535543, 720213, 1606629, 6962059, 20886177]

約数ペア:

[(1, 20886177), (3, 6962059), (13, 1606629), (29, 720213), (39, 535543), (59, 354003), (87, 240071), (177, 118001), (313, 66729), (377, 55401), (767, 27231), (939, 22243), (1131, 18467), (1711, 12207), (2301, 9077), (4069, 5133)]