20280870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{225343}}^1$

素因数の和:225356

約数の個数: 24

約数和(自身を含む): 52730496

約数和(自身を除く): 32449626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 225343, 450686, 676029, 1126715, 1352058, 2028087, 2253430, 3380145, 4056174, 6760290, 10140435, 20280870]

約数ペア:

[(1, 20280870), (2, 10140435), (3, 6760290), (5, 4056174), (6, 3380145), (9, 2253430), (10, 2028087), (15, 1352058), (18, 1126715), (30, 676029), (45, 450686), (90, 225343)]