22419820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36161}}^1$

素因数の和:36201

約数の個数: 24

約数和(自身を含む): 48601728

約数和(自身を除く): 26181908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 36161, 72322, 144644, 180805, 361610, 723220, 1120991, 2241982, 4483964, 5604955, 11209910, 22419820]

約数ペア:

[(1, 22419820), (2, 11209910), (4, 5604955), (5, 4483964), (10, 2241982), (20, 1120991), (31, 723220), (62, 361610), (124, 180805), (155, 144644), (310, 72322), (620, 36161)]