20778100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29683}}^1$

素因数の和:29704

約数の個数: 36

約数和(自身を含む): 51531424

約数和(自身を除く): 30753324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29683, 59366, 118732, 148415, 207781, 296830, 415562, 593660, 742075, 831124, 1038905, 1484150, 2077810, 2968300, 4155620, 5194525, 10389050, 20778100]

約数ペア:

[(1, 20778100), (2, 10389050), (4, 5194525), (5, 4155620), (7, 2968300), (10, 2077810), (14, 1484150), (20, 1038905), (25, 831124), (28, 742075), (35, 593660), (50, 415562), (70, 296830), (100, 207781), (140, 148415), (175, 118732), (350, 59366), (700, 29683)]