20603120

素因数分解:

$2^4\times 5^1\times {\mathrm{257539}}^1$

素因数の和:257552

約数の個数: 20

約数和(自身を含む): 47902440

約数和(自身を除く): 27299320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257539, 515078, 1030156, 1287695, 2060312, 2575390, 4120624, 5150780, 10301560, 20603120]

約数ペア:

[(1, 20603120), (2, 10301560), (4, 5150780), (5, 4120624), (8, 2575390), (10, 2060312), (16, 1287695), (20, 1030156), (40, 515078), (80, 257539)]