20940700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19037}}^1$

素因数の和:19062

約数の個数: 36

約数和(自身を含む): 49574952

約数和(自身を除く): 28634252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19037, 38074, 76148, 95185, 190370, 209407, 380740, 418814, 475925, 837628, 951850, 1047035, 1903700, 2094070, 4188140, 5235175, 10470350, 20940700]

約数ペア:

[(1, 20940700), (2, 10470350), (4, 5235175), (5, 4188140), (10, 2094070), (11, 1903700), (20, 1047035), (22, 951850), (25, 837628), (44, 475925), (50, 418814), (55, 380740), (100, 209407), (110, 190370), (220, 95185), (275, 76148), (550, 38074), (1100, 19037)]