20801790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{231131}}^1$

素因数の和:231144

約数の個数: 24

約数和(自身を含む): 54084888

約数和(自身を除く): 33283098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 231131, 462262, 693393, 1155655, 1386786, 2080179, 2311310, 3466965, 4160358, 6933930, 10400895, 20801790]

約数ペア:

[(1, 20801790), (2, 10400895), (3, 6933930), (5, 4160358), (6, 3466965), (9, 2311310), (10, 2080179), (15, 1386786), (18, 1155655), (30, 693393), (45, 462262), (90, 231131)]