20961390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{698713}}^1$

素因数の和:698723

約数の個数: 16

約数和(自身を含む): 50307408

約数和(自身を除く): 29346018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 698713, 1397426, 2096139, 3493565, 4192278, 6987130, 10480695, 20961390]

約数ペア:

[(1, 20961390), (2, 10480695), (3, 6987130), (5, 4192278), (6, 3493565), (10, 2096139), (15, 1397426), (30, 698713)]