20446890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681563}}^1$

素因数の和:681573

約数の個数: 16

約数和(自身を含む): 49072608

約数和(自身を除く): 28625718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681563, 1363126, 2044689, 3407815, 4089378, 6815630, 10223445, 20446890]

約数ペア:

[(1, 20446890), (2, 10223445), (3, 6815630), (5, 4089378), (6, 3407815), (10, 2044689), (15, 1363126), (30, 681563)]