20449485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64919}}^1$

素因数の和:64937

約数の個数: 24

約数和(自身を含む): 40510080

約数和(自身を除く): 20060595

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64919, 194757, 324595, 454433, 584271, 973785, 1363299, 2272165, 2921355, 4089897, 6816495, 20449485]

約数ペア:

[(1, 20449485), (3, 6816495), (5, 4089897), (7, 2921355), (9, 2272165), (15, 1363299), (21, 973785), (35, 584271), (45, 454433), (63, 324595), (105, 194757), (315, 64919)]