20380250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7411}}^1$

素因数の和:7439

約数の個数: 32

約数和(自身を含む): 41625792

約数和(自身を除く): 21245542

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7411, 14822, 37055, 74110, 81521, 163042, 185275, 370550, 407605, 815210, 926375, 1852750, 2038025, 4076050, 10190125, 20380250]

約数ペア:

[(1, 20380250), (2, 10190125), (5, 4076050), (10, 2038025), (11, 1852750), (22, 926375), (25, 815210), (50, 407605), (55, 370550), (110, 185275), (125, 163042), (250, 81521), (275, 74110), (550, 37055), (1375, 14822), (2750, 7411)]