20908452

素因数分解:

$2^2\times 3^1\times {\mathrm{647}}^1\times {\mathrm{2693}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 48879936

約数和(自身を除く): 27971484

約数列:

[1, 2, 3, 4, 6, 12, 647, 1294, 1941, 2588, 2693, 3882, 5386, 7764, 8079, 10772, 16158, 32316, 1742371, 3484742, 5227113, 6969484, 10454226, 20908452]

約数ペア:

[(1, 20908452), (2, 10454226), (3, 6969484), (4, 5227113), (6, 3484742), (12, 1742371), (647, 32316), (1294, 16158), (1941, 10772), (2588, 8079), (2693, 7764), (3882, 5386)]