20171255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16333}}^1$

素因数の和:16370

約数の個数: 16

約数和(自身を含む): 27441120

約数和(自身を除く): 7269865

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16333, 81665, 212329, 310327, 1061645, 1551635, 4034251, 20171255]

約数ペア:

[(1, 20171255), (5, 4034251), (13, 1551635), (19, 1061645), (65, 310327), (95, 212329), (247, 81665), (1235, 16333)]