20310915

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7481}}^1$

素因数の和:7670

約数の個数: 16

約数和(自身を含む): 32681376

約数和(自身を除く): 12370461

約数列:

[1, 3, 5, 15, 181, 543, 905, 2715, 7481, 22443, 37405, 112215, 1354061, 4062183, 6770305, 20310915]

約数ペア:

[(1, 20310915), (3, 6770305), (5, 4062183), (15, 1354061), (181, 112215), (543, 37405), (905, 22443), (2715, 7481)]