20882760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1723}}^1$

素因数の和:1838

約数の個数: 64

約数和(自身を含む): 63305280

約数和(自身を除く): 42422520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1723, 2020, 2424, 3030, 3446, 4040, 5169, 6060, 6892, 8615, 10338, 12120, 13784, 17230, 20676, 25845, 34460, 41352, 51690, 68920, 103380, 174023, 206760, 348046, 522069, 696092, 870115, 1044138, 1392184, 1740230, 2088276, 2610345, 3480460, 4176552, 5220690, 6960920, 10441380, 20882760]

約数ペア:

[(1, 20882760), (2, 10441380), (3, 6960920), (4, 5220690), (5, 4176552), (6, 3480460), (8, 2610345), (10, 2088276), (12, 1740230), (15, 1392184), (20, 1044138), (24, 870115), (30, 696092), (40, 522069), (60, 348046), (101, 206760), (120, 174023), (202, 103380), (303, 68920), (404, 51690), (505, 41352), (606, 34460), (808, 25845), (1010, 20676), (1212, 17230), (1515, 13784), (1723, 12120), (2020, 10338), (2424, 8615), (3030, 6892), (3446, 6060), (4040, 5169)]