20129740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52973}}^1$

素因数の和:53001

約数の個数: 24

約数和(自身を含む): 44498160

約数和(自身を除く): 24368420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52973, 105946, 211892, 264865, 529730, 1006487, 1059460, 2012974, 4025948, 5032435, 10064870, 20129740]

約数ペア:

[(1, 20129740), (2, 10064870), (4, 5032435), (5, 4025948), (10, 2012974), (19, 1059460), (20, 1006487), (38, 529730), (76, 264865), (95, 211892), (190, 105946), (380, 52973)]