20242690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5023}}^1$

素因数の和:5074

約数の個数: 32

約数和(自身を含む): 40513536

約数和(自身を除く): 20270846

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5023, 10046, 25115, 50230, 65299, 130598, 155713, 311426, 326495, 652990, 778565, 1557130, 2024269, 4048538, 10121345, 20242690]

約数ペア:

[(1, 20242690), (2, 10121345), (5, 4048538), (10, 2024269), (13, 1557130), (26, 778565), (31, 652990), (62, 326495), (65, 311426), (130, 155713), (155, 130598), (310, 65299), (403, 50230), (806, 25115), (2015, 10046), (4030, 5023)]