20667216

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{9161}}^1$

素因数の和:9219

約数の個数: 40

約数和(自身を含む): 54532224

約数和(自身を除く): 33865008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 9161, 18322, 27483, 36644, 54966, 73288, 109932, 146576, 219864, 430567, 439728, 861134, 1291701, 1722268, 2583402, 3444536, 5166804, 6889072, 10333608, 20667216]

約数ペア:

[(1, 20667216), (2, 10333608), (3, 6889072), (4, 5166804), (6, 3444536), (8, 2583402), (12, 1722268), (16, 1291701), (24, 861134), (47, 439728), (48, 430567), (94, 219864), (141, 146576), (188, 109932), (282, 73288), (376, 54966), (564, 36644), (752, 27483), (1128, 18322), (2256, 9161)]