20147810690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41117981}}^1$

素因数の和:41118002

約数の個数: 24

約数和(自身を含む): 42187049532

約数和(自身を除く): 22039238842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41117981, 82235962, 205589905, 287825867, 411179810, 575651734, 1439129335, 2014781069, 2878258670, 4029562138, 10073905345, 20147810690]

約数ペア:

[(1, 20147810690), (2, 10073905345), (5, 4029562138), (7, 2878258670), (10, 2014781069), (14, 1439129335), (35, 575651734), (49, 411179810), (70, 287825867), (98, 205589905), (245, 82235962), (490, 41117981)]