20556774

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 56388960

約数和(自身を除く): 35832186

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 49, 51, 54, 63, 98, 102, 119, 126, 147, 153, 189, 238, 294, 306, 357, 378, 441, 457, 459, 714, 833, 882, 914, 918, 1071, 1323, 1371, 1666, 2142, 2499, 2646, 2742, 3199, 3213, 4113, 4998, 6398, 6426, 7497, 7769, 8226, 9597, 12339, 14994, 15538, 19194, 22393, 22491, 23307, 24678, 28791, 44786, 44982, 46614, 54383, 57582, 67179, 69921, 86373, 108766, 134358, 139842, 163149, 172746, 201537, 209763, 326298, 380681, 403074, 419526, 489447, 604611, 761362, 978894, 1142043, 1209222, 1468341, 2284086, 2936682, 3426129, 6852258, 10278387, 20556774]

約数ペア:

[(1, 20556774), (2, 10278387), (3, 6852258), (6, 3426129), (7, 2936682), (9, 2284086), (14, 1468341), (17, 1209222), (18, 1142043), (21, 978894), (27, 761362), (34, 604611), (42, 489447), (49, 419526), (51, 403074), (54, 380681), (63, 326298), (98, 209763), (102, 201537), (119, 172746), (126, 163149), (147, 139842), (153, 134358), (189, 108766), (238, 86373), (294, 69921), (306, 67179), (357, 57582), (378, 54383), (441, 46614), (457, 44982), (459, 44786), (714, 28791), (833, 24678), (882, 23307), (914, 22491), (918, 22393), (1071, 19194), (1323, 15538), (1371, 14994), (1666, 12339), (2142, 9597), (2499, 8226), (2646, 7769), (2742, 7497), (3199, 6426), (3213, 6398), (4113, 4998)]