20469456

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{967}}^1$

素因数の和:998

約数の個数: 120

約数和(自身を含む): 68418240

約数和(自身を除く): 47948784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 967, 1008, 1176, 1323, 1512, 1764, 1934, 2352, 2646, 2901, 3024, 3528, 3868, 5292, 5802, 6769, 7056, 7736, 8703, 10584, 11604, 13538, 15472, 17406, 20307, 21168, 23208, 26109, 27076, 34812, 40614, 46416, 47383, 52218, 54152, 60921, 69624, 81228, 94766, 104436, 108304, 121842, 139248, 142149, 162456, 182763, 189532, 208872, 243684, 284298, 324912, 365526, 379064, 417744, 426447, 487368, 568596, 731052, 758128, 852894, 974736, 1137192, 1279341, 1462104, 1705788, 2274384, 2558682, 2924208, 3411576, 5117364, 6823152, 10234728, 20469456]

約数ペア:

[(1, 20469456), (2, 10234728), (3, 6823152), (4, 5117364), (6, 3411576), (7, 2924208), (8, 2558682), (9, 2274384), (12, 1705788), (14, 1462104), (16, 1279341), (18, 1137192), (21, 974736), (24, 852894), (27, 758128), (28, 731052), (36, 568596), (42, 487368), (48, 426447), (49, 417744), (54, 379064), (56, 365526), (63, 324912), (72, 284298), (84, 243684), (98, 208872), (108, 189532), (112, 182763), (126, 162456), (144, 142149), (147, 139248), (168, 121842), (189, 108304), (196, 104436), (216, 94766), (252, 81228), (294, 69624), (336, 60921), (378, 54152), (392, 52218), (432, 47383), (441, 46416), (504, 40614), (588, 34812), (756, 27076), (784, 26109), (882, 23208), (967, 21168), (1008, 20307), (1176, 17406), (1323, 15472), (1512, 13538), (1764, 11604), (1934, 10584), (2352, 8703), (2646, 7736), (2901, 7056), (3024, 6769), (3528, 5802), (3868, 5292)]