20649660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344161}}^1$

素因数の和:344173

約数の個数: 24

約数和(自身を含む): 57819216

約数和(自身を除く): 37169556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344161, 688322, 1032483, 1376644, 1720805, 2064966, 3441610, 4129932, 5162415, 6883220, 10324830, 20649660]

約数ペア:

[(1, 20649660), (2, 10324830), (3, 6883220), (4, 5162415), (5, 4129932), (6, 3441610), (10, 2064966), (12, 1720805), (15, 1376644), (20, 1032483), (30, 688322), (60, 344161)]