20197079450

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1901}}^1\times {\mathrm{2063}}^1$

素因数の和:4079

約数の個数: 48

約数和(自身を含む): 37969641216

約数和(自身を除く): 17772561766

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 1901, 2063, 2575, 3802, 4126, 5150, 9505, 10315, 19010, 20630, 47525, 51575, 95050, 103150, 195803, 212489, 391606, 424978, 979015, 1062445, 1958030, 2124890, 3921763, 4895075, 5312225, 7843526, 9790150, 10624450, 19608815, 39217630, 98044075, 196088150, 403941589, 807883178, 2019707945, 4039415890, 10098539725, 20197079450]

約数ペア:

[(1, 20197079450), (2, 10098539725), (5, 4039415890), (10, 2019707945), (25, 807883178), (50, 403941589), (103, 196088150), (206, 98044075), (515, 39217630), (1030, 19608815), (1901, 10624450), (2063, 9790150), (2575, 7843526), (3802, 5312225), (4126, 4895075), (5150, 3921763), (9505, 2124890), (10315, 1958030), (19010, 1062445), (20630, 979015), (47525, 424978), (51575, 391606), (95050, 212489), (103150, 195803)]