20537170

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 37859328

約数和(自身を除く): 17322158

約数列:

[1, 2, 5, 10, 103, 127, 157, 206, 254, 314, 515, 635, 785, 1030, 1270, 1570, 13081, 16171, 19939, 26162, 32342, 39878, 65405, 80855, 99695, 130810, 161710, 199390, 2053717, 4107434, 10268585, 20537170]

約数ペア:

[(1, 20537170), (2, 10268585), (5, 4107434), (10, 2053717), (103, 199390), (127, 161710), (157, 130810), (206, 99695), (254, 80855), (314, 65405), (515, 39878), (635, 32342), (785, 26162), (1030, 19939), (1270, 16171), (1570, 13081)]