20441412

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 55351296

約数和(自身を除く): 34909884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 254, 263, 306, 381, 508, 526, 612, 762, 789, 1052, 1143, 1524, 1578, 2159, 2286, 2367, 3156, 4318, 4471, 4572, 4734, 6477, 8636, 8942, 9468, 12954, 13413, 17884, 19431, 25908, 26826, 33401, 38862, 40239, 53652, 66802, 77724, 80478, 100203, 133604, 160956, 200406, 300609, 400812, 567817, 601218, 1135634, 1202436, 1703451, 2271268, 3406902, 5110353, 6813804, 10220706, 20441412]

約数ペア:

[(1, 20441412), (2, 10220706), (3, 6813804), (4, 5110353), (6, 3406902), (9, 2271268), (12, 1703451), (17, 1202436), (18, 1135634), (34, 601218), (36, 567817), (51, 400812), (68, 300609), (102, 200406), (127, 160956), (153, 133604), (204, 100203), (254, 80478), (263, 77724), (306, 66802), (381, 53652), (508, 40239), (526, 38862), (612, 33401), (762, 26826), (789, 25908), (1052, 19431), (1143, 17884), (1524, 13413), (1578, 12954), (2159, 9468), (2286, 8942), (2367, 8636), (3156, 6477), (4318, 4734), (4471, 4572)]