20888970235

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{82219}}^1$

素因数の和:82316

約数の個数: 48

約数和(自身を含む): 31381071840

約数和(自身を除く): 10492101605

約数列:

[1, 5, 7, 17, 35, 49, 61, 85, 119, 245, 305, 427, 595, 833, 1037, 2135, 2989, 4165, 5185, 7259, 14945, 36295, 50813, 82219, 254065, 411095, 575533, 1397723, 2877665, 4028731, 5015359, 6988615, 9784061, 20143655, 25076795, 35107513, 48920305, 68488427, 85261103, 175537565, 245752591, 342442135, 426305515, 596827721, 1228762955, 2984138605, 4177794047, 20888970235]

約数ペア:

[(1, 20888970235), (5, 4177794047), (7, 2984138605), (17, 1228762955), (35, 596827721), (49, 426305515), (61, 342442135), (85, 245752591), (119, 175537565), (245, 85261103), (305, 68488427), (427, 48920305), (595, 35107513), (833, 25076795), (1037, 20143655), (2135, 9784061), (2989, 6988615), (4165, 5015359), (5185, 4028731), (7259, 2877665), (14945, 1397723), (36295, 575533), (50813, 411095), (82219, 254065)]