20806301691

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{42023}}^1$

素因数の和:42336

約数の個数: 48

約数和(自身を含む): 35663247360

約数和(自身を除く): 14856945669

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 271, 609, 813, 1827, 1897, 2439, 5691, 7859, 17073, 23577, 42023, 55013, 70731, 126069, 165039, 294161, 378207, 495117, 882483, 1218667, 2647449, 3656001, 8530669, 10968003, 11388233, 25592007, 34164699, 76776021, 79717631, 102494097, 239152893, 330258757, 717458679, 990776271, 2311811299, 2972328813, 6935433897, 20806301691]

約数ペア:

[(1, 20806301691), (3, 6935433897), (7, 2972328813), (9, 2311811299), (21, 990776271), (29, 717458679), (63, 330258757), (87, 239152893), (203, 102494097), (261, 79717631), (271, 76776021), (609, 34164699), (813, 25592007), (1827, 11388233), (1897, 10968003), (2439, 8530669), (5691, 3656001), (7859, 2647449), (17073, 1218667), (23577, 882483), (42023, 495117), (55013, 378207), (70731, 294161), (126069, 165039)]