20731585

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34843}}^1$

素因数の和:34872

約数の個数: 16

約数和(自身を含む): 30105216

約数和(自身を除く): 9373631

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34843, 174215, 243901, 592331, 1219505, 2961655, 4146317, 20731585]

約数ペア:

[(1, 20731585), (5, 4146317), (7, 2961655), (17, 1219505), (35, 592331), (85, 243901), (119, 174215), (595, 34843)]