20830404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 58347520

約数和(自身を除く): 37517116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 73, 79, 84, 86, 129, 146, 158, 172, 219, 237, 258, 292, 301, 316, 438, 474, 511, 516, 553, 602, 876, 903, 948, 1022, 1106, 1204, 1533, 1659, 1806, 2044, 2212, 3066, 3139, 3318, 3397, 3612, 5767, 6132, 6278, 6636, 6794, 9417, 10191, 11534, 12556, 13588, 17301, 18834, 20382, 21973, 23068, 23779, 34602, 37668, 40369, 40764, 43946, 47558, 65919, 69204, 71337, 80738, 87892, 95116, 121107, 131838, 142674, 161476, 242214, 247981, 263676, 285348, 484428, 495962, 743943, 991924, 1487886, 1735867, 2975772, 3471734, 5207601, 6943468, 10415202, 20830404]

約数ペア:

[(1, 20830404), (2, 10415202), (3, 6943468), (4, 5207601), (6, 3471734), (7, 2975772), (12, 1735867), (14, 1487886), (21, 991924), (28, 743943), (42, 495962), (43, 484428), (73, 285348), (79, 263676), (84, 247981), (86, 242214), (129, 161476), (146, 142674), (158, 131838), (172, 121107), (219, 95116), (237, 87892), (258, 80738), (292, 71337), (301, 69204), (316, 65919), (438, 47558), (474, 43946), (511, 40764), (516, 40369), (553, 37668), (602, 34602), (876, 23779), (903, 23068), (948, 21973), (1022, 20382), (1106, 18834), (1204, 17301), (1533, 13588), (1659, 12556), (1806, 11534), (2044, 10191), (2212, 9417), (3066, 6794), (3139, 6636), (3318, 6278), (3397, 6132), (3612, 5767)]