20219145

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9839}}^1$

素因数の和:9984

約数の個数: 16

約数和(自身を含む): 32590080

約数和(自身を除く): 12370935

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9839, 29517, 49195, 147585, 1347943, 4043829, 6739715, 20219145]

約数ペア:

[(1, 20219145), (3, 6739715), (5, 4043829), (15, 1347943), (137, 147585), (411, 49195), (685, 29517), (2055, 9839)]