20775208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4465

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21560792

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4409, 4712, 8818, 17636, 35272, 83771, 136679, 167542, 273358, 335084, 546716, 670168, 1093432, 2596901, 5193802, 10387604, 20775208]

約数ペア:

[(1, 20775208), (2, 10387604), (4, 5193802), (8, 2596901), (19, 1093432), (31, 670168), (38, 546716), (62, 335084), (76, 273358), (124, 167542), (152, 136679), (248, 83771), (589, 35272), (1178, 17636), (2356, 8818), (4409, 4712)]