20907165

素因数分解:

$3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2441}}^1$

素因数の和:3020

約数の個数: 16

約数和(自身を含む): 33523776

約数和(自身を除く): 12616611

約数列:

[1, 3, 5, 15, 571, 1713, 2441, 2855, 7323, 8565, 12205, 36615, 1393811, 4181433, 6969055, 20907165]

約数ペア:

[(1, 20907165), (3, 6969055), (5, 4181433), (15, 1393811), (571, 36615), (1713, 12205), (2441, 8565), (2855, 7323)]