20512972797

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{358951}}^1$

素因数の和:359440

約数の個数: 16

約数和(自身を含む): 28049945088

約数和(自身を除く): 7536972291

約数列:

[1, 3, 43, 129, 443, 1329, 19049, 57147, 358951, 1076853, 15434893, 46304679, 159015293, 477045879, 6837657599, 20512972797]

約数ペア:

[(1, 20512972797), (3, 6837657599), (43, 477045879), (129, 159015293), (443, 46304679), (1329, 15434893), (19049, 1076853), (57147, 358951)]