20804966

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 38922240

約数和(自身を除く): 18117274

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1447, 2054, 2894, 7189, 10129, 14378, 18811, 20258, 37622, 114313, 131677, 228626, 263354, 800191, 1486069, 1600382, 2972138, 10402483, 20804966]

約数ペア:

[(1, 20804966), (2, 10402483), (7, 2972138), (13, 1600382), (14, 1486069), (26, 800191), (79, 263354), (91, 228626), (158, 131677), (182, 114313), (553, 37622), (1027, 20258), (1106, 18811), (1447, 14378), (2054, 10129), (2894, 7189)]