20191777179

素因数分解:

$3^1\times 7^1\times {\mathrm{3079}}^1\times {\mathrm{312281}}^1$

素因数の和:315370

約数の個数: 16

約数和(自身を含む): 30778513920

約数和(自身を除く): 10586736741

約数列:

[1, 3, 7, 21, 3079, 9237, 21553, 64659, 312281, 936843, 2185967, 6557901, 961513199, 2884539597, 6730592393, 20191777179]

約数ペア:

[(1, 20191777179), (3, 6730592393), (7, 2884539597), (21, 961513199), (3079, 6557901), (9237, 2185967), (21553, 936843), (64659, 312281)]