20138328

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:742

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 47253672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 701, 756, 798, 1026, 1064, 1197, 1368, 1402, 1512, 1596, 2052, 2103, 2394, 2804, 3192, 3591, 4104, 4206, 4788, 4907, 5608, 6309, 7182, 8412, 9576, 9814, 12618, 13319, 14364, 14721, 16824, 18927, 19628, 25236, 26638, 28728, 29442, 37854, 39256, 39957, 44163, 50472, 53276, 58884, 75708, 79914, 88326, 93233, 106552, 117768, 119871, 132489, 151416, 159828, 176652, 186466, 239742, 264978, 279699, 319656, 353304, 359613, 372932, 479484, 529956, 559398, 719226, 745864, 839097, 958968, 1059912, 1118796, 1438452, 1678194, 2237592, 2517291, 2876904, 3356388, 5034582, 6712776, 10069164, 20138328]

約数ペア:

[(1, 20138328), (2, 10069164), (3, 6712776), (4, 5034582), (6, 3356388), (7, 2876904), (8, 2517291), (9, 2237592), (12, 1678194), (14, 1438452), (18, 1118796), (19, 1059912), (21, 958968), (24, 839097), (27, 745864), (28, 719226), (36, 559398), (38, 529956), (42, 479484), (54, 372932), (56, 359613), (57, 353304), (63, 319656), (72, 279699), (76, 264978), (84, 239742), (108, 186466), (114, 176652), (126, 159828), (133, 151416), (152, 132489), (168, 119871), (171, 117768), (189, 106552), (216, 93233), (228, 88326), (252, 79914), (266, 75708), (342, 58884), (378, 53276), (399, 50472), (456, 44163), (504, 39957), (513, 39256), (532, 37854), (684, 29442), (701, 28728), (756, 26638), (798, 25236), (1026, 19628), (1064, 18927), (1197, 16824), (1368, 14721), (1402, 14364), (1512, 13319), (1596, 12618), (2052, 9814), (2103, 9576), (2394, 8412), (2804, 7182), (3192, 6309), (3591, 5608), (4104, 4907), (4206, 4788)]