20681580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344693}}^1$

素因数の和:344705

約数の個数: 24

約数和(自身を含む): 57908592

約数和(自身を除く): 37227012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344693, 689386, 1034079, 1378772, 1723465, 2068158, 3446930, 4136316, 5170395, 6893860, 10340790, 20681580]

約数ペア:

[(1, 20681580), (2, 10340790), (3, 6893860), (4, 5170395), (5, 4136316), (6, 3446930), (10, 2068158), (12, 1723465), (15, 1378772), (20, 1034079), (30, 689386), (60, 344693)]