20160892624

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{71647}}^1$

素因数の和:72107

約数の個数: 40

約数和(自身を含む): 40068427520

約数和(自身を除く): 19907534896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 409, 688, 818, 1636, 3272, 6544, 17587, 35174, 70348, 71647, 140696, 143294, 281392, 286588, 573176, 1146352, 3080821, 6161642, 12323284, 24646568, 29303623, 49293136, 58607246, 117214492, 234428984, 468857968, 1260055789, 2520111578, 5040223156, 10080446312, 20160892624]

約数ペア:

[(1, 20160892624), (2, 10080446312), (4, 5040223156), (8, 2520111578), (16, 1260055789), (43, 468857968), (86, 234428984), (172, 117214492), (344, 58607246), (409, 49293136), (688, 29303623), (818, 24646568), (1636, 12323284), (3272, 6161642), (6544, 3080821), (17587, 1146352), (35174, 573176), (70348, 286588), (71647, 281392), (140696, 143294)]