20198535165

素因数分解:

$3^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{197647}}^1$

素因数の和:198418

約数の個数: 32

約数和(自身を含む): 35956124160

約数和(自身を除く): 15757588995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 757, 2271, 3785, 6813, 11355, 20439, 34065, 102195, 197647, 592941, 988235, 1778823, 2964705, 5336469, 8894115, 26682345, 149618779, 448856337, 748093895, 1346569011, 2244281685, 4039707033, 6732845055, 20198535165]

約数ペア:

[(1, 20198535165), (3, 6732845055), (5, 4039707033), (9, 2244281685), (15, 1346569011), (27, 748093895), (45, 448856337), (135, 149618779), (757, 26682345), (2271, 8894115), (3785, 5336469), (6813, 2964705), (11355, 1778823), (20439, 988235), (34065, 592941), (102195, 197647)]