20320272

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1101

約数の個数: 120

約数和(自身を含む): 68477760

約数和(自身を除く): 48157488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1061, 1064, 1197, 1368, 1596, 2122, 2128, 2394, 2736, 3183, 3192, 4244, 4788, 6366, 6384, 7427, 8488, 9549, 9576, 12732, 14854, 16976, 19098, 19152, 20159, 22281, 25464, 29708, 38196, 40318, 44562, 50928, 59416, 60477, 66843, 76392, 80636, 89124, 118832, 120954, 133686, 141113, 152784, 161272, 178248, 181431, 241908, 267372, 282226, 322544, 356496, 362862, 423339, 483816, 534744, 564452, 725724, 846678, 967632, 1069488, 1128904, 1270017, 1451448, 1693356, 2257808, 2540034, 2902896, 3386712, 5080068, 6773424, 10160136, 20320272]

約数ペア:

[(1, 20320272), (2, 10160136), (3, 6773424), (4, 5080068), (6, 3386712), (7, 2902896), (8, 2540034), (9, 2257808), (12, 1693356), (14, 1451448), (16, 1270017), (18, 1128904), (19, 1069488), (21, 967632), (24, 846678), (28, 725724), (36, 564452), (38, 534744), (42, 483816), (48, 423339), (56, 362862), (57, 356496), (63, 322544), (72, 282226), (76, 267372), (84, 241908), (112, 181431), (114, 178248), (126, 161272), (133, 152784), (144, 141113), (152, 133686), (168, 120954), (171, 118832), (228, 89124), (252, 80636), (266, 76392), (304, 66843), (336, 60477), (342, 59416), (399, 50928), (456, 44562), (504, 40318), (532, 38196), (684, 29708), (798, 25464), (912, 22281), (1008, 20159), (1061, 19152), (1064, 19098), (1197, 16976), (1368, 14854), (1596, 12732), (2122, 9576), (2128, 9549), (2394, 8488), (2736, 7427), (3183, 6384), (3192, 6366), (4244, 4788)]