20340047

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 26199936

約数和(自身を除く): 5859889

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 863, 1813, 3367, 6041, 11219, 23569, 31931, 42287, 78533, 223517, 415103, 549731, 1564619, 2905721, 20340047]

約数ペア:

[(1, 20340047), (7, 2905721), (13, 1564619), (37, 549731), (49, 415103), (91, 223517), (259, 78533), (481, 42287), (637, 31931), (863, 23569), (1813, 11219), (3367, 6041)]