20038020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 56329728

約数和(自身を除く): 36291708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 991, 1011, 1348, 1685, 1982, 2022, 2973, 3370, 3964, 4044, 4955, 5055, 5946, 6740, 9910, 10110, 11892, 14865, 19820, 20220, 29730, 59460, 333967, 667934, 1001901, 1335868, 1669835, 2003802, 3339670, 4007604, 5009505, 6679340, 10019010, 20038020]

約数ペア:

[(1, 20038020), (2, 10019010), (3, 6679340), (4, 5009505), (5, 4007604), (6, 3339670), (10, 2003802), (12, 1669835), (15, 1335868), (20, 1001901), (30, 667934), (60, 333967), (337, 59460), (674, 29730), (991, 20220), (1011, 19820), (1348, 14865), (1685, 11892), (1982, 10110), (2022, 9910), (2973, 6740), (3370, 5946), (3964, 5055), (4044, 4955)]