20859025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 28533888

約数和(自身を除く): 7674863

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 751, 1111, 2525, 3755, 5555, 8261, 18775, 27775, 41305, 75851, 206525, 379255, 834361, 1896275, 4171805, 20859025]

約数ペア:

[(1, 20859025), (5, 4171805), (11, 1896275), (25, 834361), (55, 379255), (101, 206525), (275, 75851), (505, 41305), (751, 27775), (1111, 18775), (2525, 8261), (3755, 5555)]