20526175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 27180800

約数和(自身を除く): 6654625

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 547, 1501, 1975, 2735, 7505, 10393, 13675, 37525, 43213, 51965, 216065, 259825, 821047, 1080325, 4105235, 20526175]

約数ペア:

[(1, 20526175), (5, 4105235), (19, 1080325), (25, 821047), (79, 259825), (95, 216065), (395, 51965), (475, 43213), (547, 37525), (1501, 13675), (1975, 10393), (2735, 7505)]