20123081883

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43841137}}^1$

素因数の和:43841163

約数の個数: 16

約数和(自身を含む): 31565619360

約数和(自身を除く): 11442537477

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43841137, 131523411, 394570233, 745299329, 1183710699, 2235897987, 6707693961, 20123081883]

約数ペア:

[(1, 20123081883), (3, 6707693961), (9, 2235897987), (17, 1183710699), (27, 745299329), (51, 394570233), (153, 131523411), (459, 43841137)]