20539368

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 59155200

約数和(自身を除く): 38615832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 79, 92, 138, 157, 158, 184, 207, 237, 276, 314, 316, 414, 471, 474, 552, 628, 632, 711, 828, 942, 948, 1256, 1413, 1422, 1656, 1817, 1884, 1896, 2826, 2844, 3611, 3634, 3768, 5451, 5652, 5688, 7222, 7268, 10833, 10902, 11304, 12403, 14444, 14536, 16353, 21666, 21804, 24806, 28888, 32499, 32706, 37209, 43332, 43608, 49612, 64998, 65412, 74418, 86664, 99224, 111627, 129996, 130824, 148836, 223254, 259992, 285269, 297672, 446508, 570538, 855807, 893016, 1141076, 1711614, 2282152, 2567421, 3423228, 5134842, 6846456, 10269684, 20539368]

約数ペア:

[(1, 20539368), (2, 10269684), (3, 6846456), (4, 5134842), (6, 3423228), (8, 2567421), (9, 2282152), (12, 1711614), (18, 1141076), (23, 893016), (24, 855807), (36, 570538), (46, 446508), (69, 297672), (72, 285269), (79, 259992), (92, 223254), (138, 148836), (157, 130824), (158, 129996), (184, 111627), (207, 99224), (237, 86664), (276, 74418), (314, 65412), (316, 64998), (414, 49612), (471, 43608), (474, 43332), (552, 37209), (628, 32706), (632, 32499), (711, 28888), (828, 24806), (942, 21804), (948, 21666), (1256, 16353), (1413, 14536), (1422, 14444), (1656, 12403), (1817, 11304), (1884, 10902), (1896, 10833), (2826, 7268), (2844, 7222), (3611, 5688), (3634, 5652), (3768, 5451)]