20845887999

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1\times {\mathrm{80677}}^1$

素因数の和:82726

約数の個数: 16

約数和(自身を含む): 28455453312

約数和(自身を除く): 7609565313

約数列:

[1, 3, 43, 129, 2003, 6009, 80677, 86129, 242031, 258387, 3469111, 10407333, 161596031, 484788093, 6948629333, 20845887999]

約数ペア:

[(1, 20845887999), (3, 6948629333), (43, 484788093), (129, 161596031), (2003, 10407333), (6009, 3469111), (80677, 258387), (86129, 242031)]