20850690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99289}}^1$

素因数の和:99306

約数の個数: 32

約数和(自身を含む): 57191040

約数和(自身を除く): 36340350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99289, 198578, 297867, 496445, 595734, 695023, 992890, 1390046, 1489335, 2085069, 2978670, 3475115, 4170138, 6950230, 10425345, 20850690]

約数ペア:

[(1, 20850690), (2, 10425345), (3, 6950230), (5, 4170138), (6, 3475115), (7, 2978670), (10, 2085069), (14, 1489335), (15, 1390046), (21, 992890), (30, 695023), (35, 595734), (42, 496445), (70, 297867), (105, 198578), (210, 99289)]