20483220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{701}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 57552768

約数和(自身を除く): 37069548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 701, 974, 1402, 1461, 1948, 2103, 2435, 2804, 2922, 3505, 4206, 4870, 5844, 7010, 7305, 8412, 9740, 10515, 14020, 14610, 21030, 29220, 42060, 341387, 682774, 1024161, 1365548, 1706935, 2048322, 3413870, 4096644, 5120805, 6827740, 10241610, 20483220]

約数ペア:

[(1, 20483220), (2, 10241610), (3, 6827740), (4, 5120805), (5, 4096644), (6, 3413870), (10, 2048322), (12, 1706935), (15, 1365548), (20, 1024161), (30, 682774), (60, 341387), (487, 42060), (701, 29220), (974, 21030), (1402, 14610), (1461, 14020), (1948, 10515), (2103, 9740), (2435, 8412), (2804, 7305), (2922, 7010), (3505, 5844), (4206, 4870)]