20654580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344243}}^1$

素因数の和:344255

約数の個数: 24

約数和(自身を含む): 57832992

約数和(自身を除く): 37178412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344243, 688486, 1032729, 1376972, 1721215, 2065458, 3442430, 4130916, 5163645, 6884860, 10327290, 20654580]

約数ペア:

[(1, 20654580), (2, 10327290), (3, 6884860), (4, 5163645), (5, 4130916), (6, 3442430), (10, 2065458), (12, 1721215), (15, 1376972), (20, 1032729), (30, 688486), (60, 344243)]