20681460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38299}}^1$

素因数の和:38317

約数の個数: 48

約数和(自身を含む): 64344000

約数和(自身を除く): 43662540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38299, 76598, 114897, 153196, 191495, 229794, 344691, 382990, 459588, 574485, 689382, 765980, 1034073, 1148970, 1378764, 1723455, 2068146, 2297940, 3446910, 4136292, 5170365, 6893820, 10340730, 20681460]

約数ペア:

[(1, 20681460), (2, 10340730), (3, 6893820), (4, 5170365), (5, 4136292), (6, 3446910), (9, 2297940), (10, 2068146), (12, 1723455), (15, 1378764), (18, 1148970), (20, 1034073), (27, 765980), (30, 689382), (36, 574485), (45, 459588), (54, 382990), (60, 344691), (90, 229794), (108, 191495), (135, 153196), (180, 114897), (270, 76598), (540, 38299)]