20905104

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 63040608

約数和(自身を除く): 42135504

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 137, 176, 187, 204, 264, 272, 274, 289, 374, 408, 411, 528, 548, 561, 578, 748, 816, 822, 867, 1096, 1122, 1156, 1496, 1507, 1644, 1734, 2192, 2244, 2312, 2329, 2992, 3014, 3179, 3288, 3468, 4488, 4521, 4624, 4658, 6028, 6358, 6576, 6936, 6987, 8976, 9042, 9316, 9537, 12056, 12716, 13872, 13974, 18084, 18632, 19074, 24112, 25432, 25619, 27948, 36168, 37264, 38148, 39593, 50864, 51238, 55896, 72336, 76296, 76857, 79186, 102476, 111792, 118779, 152592, 153714, 158372, 204952, 237558, 307428, 316744, 409904, 435523, 475116, 614856, 633488, 871046, 950232, 1229712, 1306569, 1742092, 1900464, 2613138, 3484184, 5226276, 6968368, 10452552, 20905104]

約数ペア:

[(1, 20905104), (2, 10452552), (3, 6968368), (4, 5226276), (6, 3484184), (8, 2613138), (11, 1900464), (12, 1742092), (16, 1306569), (17, 1229712), (22, 950232), (24, 871046), (33, 633488), (34, 614856), (44, 475116), (48, 435523), (51, 409904), (66, 316744), (68, 307428), (88, 237558), (102, 204952), (132, 158372), (136, 153714), (137, 152592), (176, 118779), (187, 111792), (204, 102476), (264, 79186), (272, 76857), (274, 76296), (289, 72336), (374, 55896), (408, 51238), (411, 50864), (528, 39593), (548, 38148), (561, 37264), (578, 36168), (748, 27948), (816, 25619), (822, 25432), (867, 24112), (1096, 19074), (1122, 18632), (1156, 18084), (1496, 13974), (1507, 13872), (1644, 12716), (1734, 12056), (2192, 9537), (2244, 9316), (2312, 9042), (2329, 8976), (2992, 6987), (3014, 6936), (3179, 6576), (3288, 6358), (3468, 6028), (4488, 4658), (4521, 4624)]