20512019943

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1951}}^1\times {\mathrm{61483}}^1$

素因数の和:63459

約数の個数: 24

約数和(自身を含む): 31204359680

約数和(自身を除く): 10692339737

約数列:

[1, 3, 9, 19, 57, 171, 1951, 5853, 17559, 37069, 61483, 111207, 184449, 333621, 553347, 1168177, 3504531, 10513593, 119953333, 359859999, 1079579997, 2279113327, 6837339981, 20512019943]

約数ペア:

[(1, 20512019943), (3, 6837339981), (9, 2279113327), (19, 1079579997), (57, 359859999), (171, 119953333), (1951, 10513593), (5853, 3504531), (17559, 1168177), (37069, 553347), (61483, 333621), (111207, 184449)]