20887416

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 43912584

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 59, 66, 72, 88, 99, 108, 118, 132, 149, 177, 198, 216, 236, 264, 297, 298, 354, 396, 447, 472, 531, 594, 596, 649, 708, 792, 894, 1062, 1188, 1192, 1298, 1341, 1416, 1593, 1639, 1788, 1947, 2124, 2376, 2596, 2682, 3186, 3278, 3576, 3894, 4023, 4248, 4917, 5192, 5364, 5841, 6372, 6556, 7788, 8046, 8791, 9834, 10728, 11682, 12744, 13112, 14751, 15576, 16092, 17523, 17582, 19668, 23364, 26373, 29502, 32184, 35046, 35164, 39336, 44253, 46728, 52746, 59004, 70092, 70328, 79119, 88506, 96701, 105492, 118008, 140184, 158238, 177012, 193402, 210984, 237357, 290103, 316476, 354024, 386804, 474714, 580206, 632952, 773608, 870309, 949428, 1160412, 1740618, 1898856, 2320824, 2610927, 3481236, 5221854, 6962472, 10443708, 20887416]

約数ペア:

[(1, 20887416), (2, 10443708), (3, 6962472), (4, 5221854), (6, 3481236), (8, 2610927), (9, 2320824), (11, 1898856), (12, 1740618), (18, 1160412), (22, 949428), (24, 870309), (27, 773608), (33, 632952), (36, 580206), (44, 474714), (54, 386804), (59, 354024), (66, 316476), (72, 290103), (88, 237357), (99, 210984), (108, 193402), (118, 177012), (132, 158238), (149, 140184), (177, 118008), (198, 105492), (216, 96701), (236, 88506), (264, 79119), (297, 70328), (298, 70092), (354, 59004), (396, 52746), (447, 46728), (472, 44253), (531, 39336), (594, 35164), (596, 35046), (649, 32184), (708, 29502), (792, 26373), (894, 23364), (1062, 19668), (1188, 17582), (1192, 17523), (1298, 16092), (1341, 15576), (1416, 14751), (1593, 13112), (1639, 12744), (1788, 11682), (1947, 10728), (2124, 9834), (2376, 8791), (2596, 8046), (2682, 7788), (3186, 6556), (3278, 6372), (3576, 5841), (3894, 5364), (4023, 5192), (4248, 4917)]