20650148

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 37218720

約数和(自身を除く): 16568572

約数列:

[1, 2, 4, 43, 86, 172, 211, 422, 569, 844, 1138, 2276, 9073, 18146, 24467, 36292, 48934, 97868, 120059, 240118, 480236, 5162537, 10325074, 20650148]

約数ペア:

[(1, 20650148), (2, 10325074), (4, 5162537), (43, 480236), (86, 240118), (172, 120059), (211, 97868), (422, 48934), (569, 36292), (844, 24467), (1138, 18146), (2276, 9073)]