20173475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6781}}^1$

素因数の和:6815

約数の個数: 24

約数和(自身を含む): 30274848

約数和(自身を除く): 10101373

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6781, 33905, 47467, 115277, 169525, 237335, 576385, 806939, 1186675, 2881925, 4034695, 20173475]

約数ペア:

[(1, 20173475), (5, 4034695), (7, 2881925), (17, 1186675), (25, 806939), (35, 576385), (85, 237335), (119, 169525), (175, 115277), (425, 47467), (595, 33905), (2975, 6781)]