20947830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{698261}}^1$

素因数の和:698271

約数の個数: 16

約数和(自身を含む): 50274864

約数和(自身を除く): 29327034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 698261, 1396522, 2094783, 3491305, 4189566, 6982610, 10473915, 20947830]

約数ペア:

[(1, 20947830), (2, 10473915), (3, 6982610), (5, 4189566), (6, 3491305), (10, 2094783), (15, 1396522), (30, 698261)]