20381552

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{1933}}^1$

素因数の和:2600

約数の個数: 20

約数和(自身を含む): 39569640

約数和(自身を除く): 19188088

約数列:

[1, 2, 4, 8, 16, 659, 1318, 1933, 2636, 3866, 5272, 7732, 10544, 15464, 30928, 1273847, 2547694, 5095388, 10190776, 20381552]

約数ペア:

[(1, 20381552), (2, 10190776), (4, 5095388), (8, 2547694), (16, 1273847), (659, 30928), (1318, 15464), (1933, 10544), (2636, 7732), (3866, 5272)]