20531790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{228131}}^1$

素因数の和:228144

約数の個数: 24

約数和(自身を含む): 53382888

約数和(自身を除く): 32851098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 228131, 456262, 684393, 1140655, 1368786, 2053179, 2281310, 3421965, 4106358, 6843930, 10265895, 20531790]

約数ペア:

[(1, 20531790), (2, 10265895), (3, 6843930), (5, 4106358), (6, 3421965), (9, 2281310), (10, 2053179), (15, 1368786), (18, 1140655), (30, 684393), (45, 456262), (90, 228131)]