20664258

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 43479936

約数和(自身を除く): 22815678

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 1093, 2186, 3151, 3279, 6302, 6558, 9453, 18906, 25139, 50278, 75417, 149741, 150834, 299482, 449223, 898446, 3444043, 6888086, 10332129, 20664258]

約数ペア:

[(1, 20664258), (2, 10332129), (3, 6888086), (6, 3444043), (23, 898446), (46, 449223), (69, 299482), (137, 150834), (138, 149741), (274, 75417), (411, 50278), (822, 25139), (1093, 18906), (2186, 9453), (3151, 6558), (3279, 6302)]