20178859532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{78889}}^1\times {\mathrm{4919}}^1$

素因数の和:83825

約数の個数: 24

約数和(自身を含む): 38037602400

約数和(自身を除く): 17858742868

約数列:

[1, 2, 4, 13, 26, 52, 4919, 9838, 19676, 63947, 78889, 127894, 157778, 255788, 315556, 1025557, 2051114, 4102228, 388054991, 776109982, 1552219964, 5044714883, 10089429766, 20178859532]

約数ペア:

[(1, 20178859532), (2, 10089429766), (4, 5044714883), (13, 1552219964), (26, 776109982), (52, 388054991), (4919, 4102228), (9838, 2051114), (19676, 1025557), (63947, 315556), (78889, 255788), (127894, 157778)]