20834478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 54774720

約数和(自身を除く): 33940242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 41, 42, 63, 74, 82, 109, 111, 123, 126, 218, 222, 246, 259, 287, 327, 333, 369, 518, 574, 654, 666, 738, 763, 777, 861, 981, 1517, 1526, 1554, 1722, 1962, 2289, 2331, 2583, 3034, 4033, 4469, 4551, 4578, 4662, 5166, 6867, 8066, 8938, 9102, 10619, 12099, 13407, 13653, 13734, 21238, 24198, 26814, 27306, 28231, 31283, 31857, 36297, 40221, 56462, 62566, 63714, 72594, 80442, 84693, 93849, 95571, 165353, 169386, 187698, 191142, 254079, 281547, 330706, 496059, 508158, 563094, 992118, 1157471, 1488177, 2314942, 2976354, 3472413, 6944826, 10417239, 20834478]

約数ペア:

[(1, 20834478), (2, 10417239), (3, 6944826), (6, 3472413), (7, 2976354), (9, 2314942), (14, 1488177), (18, 1157471), (21, 992118), (37, 563094), (41, 508158), (42, 496059), (63, 330706), (74, 281547), (82, 254079), (109, 191142), (111, 187698), (123, 169386), (126, 165353), (218, 95571), (222, 93849), (246, 84693), (259, 80442), (287, 72594), (327, 63714), (333, 62566), (369, 56462), (518, 40221), (574, 36297), (654, 31857), (666, 31283), (738, 28231), (763, 27306), (777, 26814), (861, 24198), (981, 21238), (1517, 13734), (1526, 13653), (1554, 13407), (1722, 12099), (1962, 10619), (2289, 9102), (2331, 8938), (2583, 8066), (3034, 6867), (4033, 5166), (4469, 4662), (4551, 4578)]