20348173652

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{136811}}^1$

素因数の和:136956

約数の個数: 36

約数和(自身を含む): 37947270816

約数和(自身を除く): 17599097164

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 361, 412, 722, 1444, 1957, 3914, 7828, 37183, 74366, 136811, 148732, 273622, 547244, 2599409, 5198818, 10397636, 14091533, 28183066, 49388771, 56366132, 98777542, 197555084, 267739127, 535478254, 1070956508, 5087043413, 10174086826, 20348173652]

約数ペア:

[(1, 20348173652), (2, 10174086826), (4, 5087043413), (19, 1070956508), (38, 535478254), (76, 267739127), (103, 197555084), (206, 98777542), (361, 56366132), (412, 49388771), (722, 28183066), (1444, 14091533), (1957, 10397636), (3914, 5198818), (7828, 2599409), (37183, 547244), (74366, 273622), (136811, 148732)]