20828435

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1619}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5298925

約数列:

[1, 5, 31, 83, 155, 415, 1619, 2573, 8095, 12865, 50189, 134377, 250945, 671885, 4165687, 20828435]

約数ペア:

[(1, 20828435), (5, 4165687), (31, 671885), (83, 250945), (155, 134377), (415, 50189), (1619, 12865), (2573, 8095)]