20262385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1667}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 30264192

約数和(自身を除く): 10001807

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 1667, 2431, 8335, 12155, 18337, 21671, 28339, 91685, 108355, 141695, 238381, 311729, 368407, 1191905, 1558645, 1842035, 4052477, 20262385]

約数ペア:

[(1, 20262385), (5, 4052477), (11, 1842035), (13, 1558645), (17, 1191905), (55, 368407), (65, 311729), (85, 238381), (143, 141695), (187, 108355), (221, 91685), (715, 28339), (935, 21671), (1105, 18337), (1667, 12155), (2431, 8335)]