20650203

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{757}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 34213088

約数和(自身を除く): 13562885

約数列:

[1, 3, 7, 9, 21, 63, 433, 757, 1299, 2271, 3031, 3897, 5299, 6813, 9093, 15897, 27279, 47691, 327781, 983343, 2294467, 2950029, 6883401, 20650203]

約数ペア:

[(1, 20650203), (3, 6883401), (7, 2950029), (9, 2294467), (21, 983343), (63, 327781), (433, 47691), (757, 27279), (1299, 15897), (2271, 9093), (3031, 6813), (3897, 5299)]