20742170110

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1621}}^1\times {\mathrm{3191}}^1$

素因数の和:5220

約数の個数: 32

約数和(自身を含む): 37463840064

約数和(自身を除く): 16721669954

約数列:

[1, 2, 5, 10, 401, 802, 1621, 2005, 3191, 3242, 4010, 6382, 8105, 15955, 16210, 31910, 650021, 1279591, 1300042, 2559182, 3250105, 5172611, 6397955, 6500210, 10345222, 12795910, 25863055, 51726110, 2074217011, 4148434022, 10371085055, 20742170110]

約数ペア:

[(1, 20742170110), (2, 10371085055), (5, 4148434022), (10, 2074217011), (401, 51726110), (802, 25863055), (1621, 12795910), (2005, 10345222), (3191, 6500210), (3242, 6397955), (4010, 5172611), (6382, 3250105), (8105, 2559182), (15955, 1300042), (16210, 1279591), (31910, 650021)]