20113137

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 32757120

約数和(自身を除く): 12643983

約数列:

[1, 3, 9, 11, 27, 33, 99, 241, 281, 297, 723, 843, 2169, 2529, 2651, 3091, 6507, 7587, 7953, 9273, 23859, 27819, 67721, 71577, 83457, 203163, 609489, 744931, 1828467, 2234793, 6704379, 20113137]

約数ペア:

[(1, 20113137), (3, 6704379), (9, 2234793), (11, 1828467), (27, 744931), (33, 609489), (99, 203163), (241, 83457), (281, 71577), (297, 67721), (723, 27819), (843, 23859), (2169, 9273), (2529, 7953), (2651, 7587), (3091, 6507)]