20641672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6599}}^1$

素因数の和:6645

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22126328

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6599, 13198, 26396, 52792, 112183, 151777, 224366, 303554, 448732, 607108, 897464, 1214216, 2580209, 5160418, 10320836, 20641672]

約数ペア:

[(1, 20641672), (2, 10320836), (4, 5160418), (8, 2580209), (17, 1214216), (23, 897464), (34, 607108), (46, 448732), (68, 303554), (92, 224366), (136, 151777), (184, 112183), (391, 52792), (782, 26396), (1564, 13198), (3128, 6599)]