20161443405

素因数分解:

$3^1\times 5^1\times {\mathrm{28393}}^1\times {\mathrm{47339}}^1$

素因数の和:75740

約数の個数: 16

約数和(自身を含む): 32260127040

約数和(自身を除く): 12098683635

約数列:

[1, 3, 5, 15, 28393, 47339, 85179, 141965, 142017, 236695, 425895, 710085, 1344096227, 4032288681, 6720481135, 20161443405]

約数ペア:

[(1, 20161443405), (3, 6720481135), (5, 4032288681), (15, 1344096227), (28393, 710085), (47339, 425895), (85179, 236695), (141965, 142017)]