20778822

素因数分解:

$2^1\times 3^3\times {\mathrm{449}}^1\times {\mathrm{857}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 46332000

約数和(自身を除く): 25553178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 449, 857, 898, 1347, 1714, 2571, 2694, 4041, 5142, 7713, 8082, 12123, 15426, 23139, 24246, 46278, 384793, 769586, 1154379, 2308758, 3463137, 6926274, 10389411, 20778822]

約数ペア:

[(1, 20778822), (2, 10389411), (3, 6926274), (6, 3463137), (9, 2308758), (18, 1154379), (27, 769586), (54, 384793), (449, 46278), (857, 24246), (898, 23139), (1347, 15426), (1714, 12123), (2571, 8082), (2694, 7713), (4041, 5142)]