20885690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17551}}^1$

素因数の和:17582

約数の個数: 32

約数和(自身を含む): 45494784

約数和(自身を除く): 24609094

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17551, 35102, 87755, 122857, 175510, 245714, 298367, 596734, 614285, 1228570, 1491835, 2088569, 2983670, 4177138, 10442845, 20885690]

約数ペア:

[(1, 20885690), (2, 10442845), (5, 4177138), (7, 2983670), (10, 2088569), (14, 1491835), (17, 1228570), (34, 614285), (35, 596734), (70, 298367), (85, 245714), (119, 175510), (170, 122857), (238, 87755), (595, 35102), (1190, 17551)]