20330037

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 36644608

約数和(自身を除く): 16314571

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 103, 117, 241, 273, 309, 721, 723, 819, 927, 1339, 1687, 2163, 2169, 3133, 4017, 5061, 6489, 9373, 9399, 12051, 15183, 21931, 24823, 28119, 28197, 65793, 74469, 84357, 173761, 197379, 223407, 322699, 521283, 968097, 1563849, 2258893, 2904291, 6776679, 20330037]

約数ペア:

[(1, 20330037), (3, 6776679), (7, 2904291), (9, 2258893), (13, 1563849), (21, 968097), (39, 521283), (63, 322699), (91, 223407), (103, 197379), (117, 173761), (241, 84357), (273, 74469), (309, 65793), (721, 28197), (723, 28119), (819, 24823), (927, 21931), (1339, 15183), (1687, 12051), (2163, 9399), (2169, 9373), (3133, 6489), (4017, 5061)]