20641440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43003}}^1$

素因数の和:43021

約数の個数: 48

約数和(自身を含む): 65022048

約数和(自身を除く): 44380608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43003, 86006, 129009, 172012, 215015, 258018, 344024, 430030, 516036, 645045, 688048, 860060, 1032072, 1290090, 1376096, 1720120, 2064144, 2580180, 3440240, 4128288, 5160360, 6880480, 10320720, 20641440]

約数ペア:

[(1, 20641440), (2, 10320720), (3, 6880480), (4, 5160360), (5, 4128288), (6, 3440240), (8, 2580180), (10, 2064144), (12, 1720120), (15, 1376096), (16, 1290090), (20, 1032072), (24, 860060), (30, 688048), (32, 645045), (40, 516036), (48, 430030), (60, 344024), (80, 258018), (96, 215015), (120, 172012), (160, 129009), (240, 86006), (480, 43003)]