20694018815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1\times {\mathrm{4397}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 26447109120

約数和(自身を除く): 5753090305

約数列:

[1, 5, 19, 95, 107, 463, 535, 2033, 2315, 4397, 8797, 10165, 21985, 43985, 49541, 83543, 247705, 417715, 470479, 941279, 2035811, 2352395, 4706395, 8939101, 10179055, 38680409, 44695505, 193402045, 217831777, 1089158885, 4138803763, 20694018815]

約数ペア:

[(1, 20694018815), (5, 4138803763), (19, 1089158885), (95, 217831777), (107, 193402045), (463, 44695505), (535, 38680409), (2033, 10179055), (2315, 8939101), (4397, 4706395), (8797, 2352395), (10165, 2035811), (21985, 941279), (43985, 470479), (49541, 417715), (83543, 247705)]