20549055

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31859}}^1$

素因数の和:31910

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 13095105

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31859, 95577, 159295, 477885, 1369937, 4109811, 6849685, 20549055]

約数ペア:

[(1, 20549055), (3, 6849685), (5, 4109811), (15, 1369937), (43, 477885), (129, 159295), (215, 95577), (645, 31859)]