20837280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43411}}^1$

素因数の和:43429

約数の個数: 48

約数和(自身を含む): 65638944

約数和(自身を除く): 44801664

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, 43411, 86822, 130233, 173644, 217055, 260466, 347288, 434110, 520932, 651165, 694576, 868220, 1041864, 1302330, 1389152, 1736440, 2083728, 2604660, 3472880, 4167456, 5209320, 6945760, 10418640, 20837280]

約数ペア:

[(1, 20837280), (2, 10418640), (3, 6945760), (4, 5209320), (5, 4167456), (6, 3472880), (8, 2604660), (10, 2083728), (12, 1736440), (15, 1389152), (16, 1302330), (20, 1041864), (24, 868220), (30, 694576), (32, 651165), (40, 520932), (48, 434110), (60, 347288), (80, 260466), (96, 217055), (120, 173644), (160, 130233), (240, 86822), (480, 43411)]