20644358

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 17178106

約数列:

[1, 2, 7, 14, 17, 34, 119, 127, 238, 254, 683, 889, 1366, 1778, 2159, 4318, 4781, 9562, 11611, 15113, 23222, 30226, 81277, 86741, 162554, 173482, 607187, 1214374, 1474597, 2949194, 10322179, 20644358]

約数ペア:

[(1, 20644358), (2, 10322179), (7, 2949194), (14, 1474597), (17, 1214374), (34, 607187), (119, 173482), (127, 162554), (238, 86741), (254, 81277), (683, 30226), (889, 23222), (1366, 15113), (1778, 11611), (2159, 9562), (4318, 4781)]