20258212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1747}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 38372096

約数和(自身を除く): 18113884

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 1747, 2899, 3494, 5798, 6988, 11596, 22711, 45422, 90844, 389581, 779162, 1558324, 5064553, 10129106, 20258212]

約数ペア:

[(1, 20258212), (2, 10129106), (4, 5064553), (13, 1558324), (26, 779162), (52, 389581), (223, 90844), (446, 45422), (892, 22711), (1747, 11596), (2899, 6988), (3494, 5798)]