20303848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6491}}^1$

素因数の和:6537

約数の個数: 32

約数和(自身を含む): 42068160

約数和(自身を除く): 21764312

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6491, 12982, 25964, 51928, 110347, 149293, 220694, 298586, 441388, 597172, 882776, 1194344, 2537981, 5075962, 10151924, 20303848]

約数ペア:

[(1, 20303848), (2, 10151924), (4, 5075962), (8, 2537981), (17, 1194344), (23, 882776), (34, 597172), (46, 441388), (68, 298586), (92, 220694), (136, 149293), (184, 110347), (391, 51928), (782, 25964), (1564, 12982), (3128, 6491)]