20198491792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{10613}}^1\times {\mathrm{6997}}^1$

素因数の和:17635

約数の個数: 40

約数和(自身を含む): 41446438776

約数和(自身を除く): 21247946984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 6997, 10613, 13994, 21226, 27988, 42452, 55976, 84904, 111952, 118949, 169808, 180421, 237898, 360842, 475796, 721684, 951592, 1443368, 1903184, 2886736, 74259161, 148518322, 297036644, 594073288, 1188146576, 1262405737, 2524811474, 5049622948, 10099245896, 20198491792]

約数ペア:

[(1, 20198491792), (2, 10099245896), (4, 5049622948), (8, 2524811474), (16, 1262405737), (17, 1188146576), (34, 594073288), (68, 297036644), (136, 148518322), (272, 74259161), (6997, 2886736), (10613, 1903184), (13994, 1443368), (21226, 951592), (27988, 721684), (42452, 475796), (55976, 360842), (84904, 237898), (111952, 180421), (118949, 169808)]