20386648

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 40318560

約数和(自身を除く): 19931912

約数列:

[1, 2, 4, 8, 23, 46, 92, 101, 184, 202, 404, 808, 1097, 2194, 2323, 4388, 4646, 8776, 9292, 18584, 25231, 50462, 100924, 110797, 201848, 221594, 443188, 886376, 2548331, 5096662, 10193324, 20386648]

約数ペア:

[(1, 20386648), (2, 10193324), (4, 5096662), (8, 2548331), (23, 886376), (46, 443188), (92, 221594), (101, 201848), (184, 110797), (202, 100924), (404, 50462), (808, 25231), (1097, 18584), (2194, 9292), (2323, 8776), (4388, 4646)]