20819162

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1567}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 38986752

約数和(自身を除く): 18167590

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1567, 1898, 3134, 6643, 10969, 13286, 20371, 21938, 40742, 114391, 142597, 228782, 285194, 800737, 1487083, 1601474, 2974166, 10409581, 20819162]

約数ペア:

[(1, 20819162), (2, 10409581), (7, 2974166), (13, 1601474), (14, 1487083), (26, 800737), (73, 285194), (91, 228782), (146, 142597), (182, 114391), (511, 40742), (949, 21938), (1022, 20371), (1567, 13286), (1898, 10969), (3134, 6643)]