20187631427

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{1229}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 22444646400

約数和(自身を除く): 2257014973

約数列:

[1, 17, 31, 71, 439, 527, 1207, 1229, 2201, 7463, 13609, 20893, 31169, 37417, 38099, 87259, 231353, 529873, 539531, 647683, 966239, 1483403, 2705029, 9172027, 16426063, 16725461, 38306701, 45985493, 284332837, 651213917, 1187507731, 20187631427]

約数ペア:

[(1, 20187631427), (17, 1187507731), (31, 651213917), (71, 284332837), (439, 45985493), (527, 38306701), (1207, 16725461), (1229, 16426063), (2201, 9172027), (7463, 2705029), (13609, 1483403), (20893, 966239), (31169, 647683), (37417, 539531), (38099, 529873), (87259, 231353)]