20084895

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4021}}^1$

素因数の和:4072

約数の個数: 32

約数和(自身を含む): 36680640

約数和(自身を除く): 16595745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4021, 4995, 12063, 20105, 36189, 60315, 108567, 148777, 180945, 446331, 542835, 743885, 1338993, 2231655, 4016979, 6694965, 20084895]

約数ペア:

[(1, 20084895), (3, 6694965), (5, 4016979), (9, 2231655), (15, 1338993), (27, 743885), (37, 542835), (45, 446331), (111, 180945), (135, 148777), (185, 108567), (333, 60315), (555, 36189), (999, 20105), (1665, 12063), (4021, 4995)]