20353455

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1669}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 35430720

約数和(自身を除く): 15077265

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 1669, 2439, 4065, 5007, 8345, 12195, 15021, 25035, 75105, 452299, 1356897, 2261495, 4070691, 6784485, 20353455]

約数ペア:

[(1, 20353455), (3, 6784485), (5, 4070691), (9, 2261495), (15, 1356897), (45, 452299), (271, 75105), (813, 25035), (1355, 15021), (1669, 12195), (2439, 8345), (4065, 5007)]