20842128

素因数分解:

$2^4\times 3^2\times {\mathrm{144737}}^1$

素因数の和:144751

約数の個数: 30

約数和(自身を含む): 58329414

約数和(自身を除く): 37487286

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144737, 289474, 434211, 578948, 868422, 1157896, 1302633, 1736844, 2315792, 2605266, 3473688, 5210532, 6947376, 10421064, 20842128]

約数ペア:

[(1, 20842128), (2, 10421064), (3, 6947376), (4, 5210532), (6, 3473688), (8, 2605266), (9, 2315792), (12, 1736844), (16, 1302633), (18, 1157896), (24, 868422), (36, 578948), (48, 434211), (72, 289474), (144, 144737)]