20559270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1709}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 49494240

約数和(自身を除く): 28934970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 1709, 2005, 2406, 3418, 4010, 5127, 6015, 8545, 10254, 12030, 17090, 25635, 51270, 685309, 1370618, 2055927, 3426545, 4111854, 6853090, 10279635, 20559270]

約数ペア:

[(1, 20559270), (2, 10279635), (3, 6853090), (5, 4111854), (6, 3426545), (10, 2055927), (15, 1370618), (30, 685309), (401, 51270), (802, 25635), (1203, 17090), (1709, 12030), (2005, 10254), (2406, 8545), (3418, 6015), (4010, 5127)]