20904408

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 71136000

約数和(自身を除く): 50231592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 37, 38, 42, 56, 57, 59, 63, 72, 74, 76, 84, 111, 114, 118, 126, 133, 148, 152, 168, 171, 177, 222, 228, 236, 252, 259, 266, 296, 333, 342, 354, 399, 413, 444, 456, 472, 504, 518, 531, 532, 666, 684, 703, 708, 777, 798, 826, 888, 1036, 1062, 1064, 1121, 1197, 1239, 1332, 1368, 1406, 1416, 1554, 1596, 1652, 2072, 2109, 2124, 2183, 2242, 2331, 2394, 2478, 2664, 2812, 3108, 3192, 3304, 3363, 3717, 4218, 4248, 4366, 4484, 4662, 4788, 4921, 4956, 5624, 6216, 6327, 6549, 6726, 7434, 7847, 8436, 8732, 8968, 9324, 9576, 9842, 9912, 10089, 12654, 13098, 13452, 14763, 14868, 15281, 15694, 16872, 17464, 18648, 19647, 19684, 20178, 23541, 25308, 26196, 26904, 29526, 29736, 30562, 31388, 39294, 39368, 40356, 41477, 44289, 45843, 47082, 50616, 52392, 59052, 61124, 62776, 70623, 78588, 80712, 82954, 88578, 91686, 94164, 118104, 122248, 124431, 137529, 141246, 157176, 165908, 177156, 183372, 188328, 248862, 275058, 282492, 290339, 331816, 354312, 366744, 373293, 497724, 550116, 564984, 580678, 746586, 871017, 995448, 1100232, 1161356, 1493172, 1742034, 2322712, 2613051, 2986344, 3484068, 5226102, 6968136, 10452204, 20904408]

約数ペア:

[(1, 20904408), (2, 10452204), (3, 6968136), (4, 5226102), (6, 3484068), (7, 2986344), (8, 2613051), (9, 2322712), (12, 1742034), (14, 1493172), (18, 1161356), (19, 1100232), (21, 995448), (24, 871017), (28, 746586), (36, 580678), (37, 564984), (38, 550116), (42, 497724), (56, 373293), (57, 366744), (59, 354312), (63, 331816), (72, 290339), (74, 282492), (76, 275058), (84, 248862), (111, 188328), (114, 183372), (118, 177156), (126, 165908), (133, 157176), (148, 141246), (152, 137529), (168, 124431), (171, 122248), (177, 118104), (222, 94164), (228, 91686), (236, 88578), (252, 82954), (259, 80712), (266, 78588), (296, 70623), (333, 62776), (342, 61124), (354, 59052), (399, 52392), (413, 50616), (444, 47082), (456, 45843), (472, 44289), (504, 41477), (518, 40356), (531, 39368), (532, 39294), (666, 31388), (684, 30562), (703, 29736), (708, 29526), (777, 26904), (798, 26196), (826, 25308), (888, 23541), (1036, 20178), (1062, 19684), (1064, 19647), (1121, 18648), (1197, 17464), (1239, 16872), (1332, 15694), (1368, 15281), (1406, 14868), (1416, 14763), (1554, 13452), (1596, 13098), (1652, 12654), (2072, 10089), (2109, 9912), (2124, 9842), (2183, 9576), (2242, 9324), (2331, 8968), (2394, 8732), (2478, 8436), (2664, 7847), (2812, 7434), (3108, 6726), (3192, 6549), (3304, 6327), (3363, 6216), (3717, 5624), (4218, 4956), (4248, 4921), (4366, 4788), (4484, 4662)]