16820375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 24687936

約数和(自身を除く): 7867561

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 941, 1375, 1625, 3575, 4705, 10351, 12233, 17875, 23525, 51755, 61165, 117625, 134563, 258775, 305825, 672815, 1293875, 1529125, 3364075, 16820375]

約数ペア:

[(1, 16820375), (5, 3364075), (11, 1529125), (13, 1293875), (25, 672815), (55, 305825), (65, 258775), (125, 134563), (143, 117625), (275, 61165), (325, 51755), (715, 23525), (941, 17875), (1375, 12233), (1625, 10351), (3575, 4705)]