20756075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 27847920

約数和(自身を除く): 7091845

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 1181, 3515, 5905, 17575, 22439, 29525, 43697, 112195, 218485, 560975, 830243, 1092425, 4151215, 20756075]

約数ペア:

[(1, 20756075), (5, 4151215), (19, 1092425), (25, 830243), (37, 560975), (95, 218485), (185, 112195), (475, 43697), (703, 29525), (925, 22439), (1181, 17575), (3515, 5905)]