20356061640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2293}}^1\times {\mathrm{2551}}^1$

素因数の和:4887

約数の個数: 128

約数和(自身を含む): 63226310400

約数和(自身を除く): 42870248760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 2293, 2551, 3480, 4586, 5102, 6879, 7653, 9172, 10204, 11465, 12755, 13758, 15306, 18344, 20408, 22930, 25510, 27516, 30612, 34395, 38265, 45860, 51020, 55032, 61224, 66497, 68790, 73979, 76530, 91720, 102040, 132994, 137580, 147958, 153060, 199491, 221937, 265988, 275160, 295916, 306120, 332485, 369895, 398982, 443874, 531976, 591832, 664970, 739790, 797964, 887748, 997455, 1109685, 1329940, 1479580, 1595928, 1775496, 1994910, 2219370, 2659880, 2959160, 3989820, 4438740, 5849443, 7979640, 8877480, 11698886, 17548329, 23397772, 29247215, 35096658, 46795544, 58494430, 70193316, 87741645, 116988860, 140386632, 169633847, 175483290, 233977720, 339267694, 350966580, 508901541, 678535388, 701933160, 848169235, 1017803082, 1357070776, 1696338470, 2035606164, 2544507705, 3392676940, 4071212328, 5089015410, 6785353880, 10178030820, 20356061640]

約数ペア:

[(1, 20356061640), (2, 10178030820), (3, 6785353880), (4, 5089015410), (5, 4071212328), (6, 3392676940), (8, 2544507705), (10, 2035606164), (12, 1696338470), (15, 1357070776), (20, 1017803082), (24, 848169235), (29, 701933160), (30, 678535388), (40, 508901541), (58, 350966580), (60, 339267694), (87, 233977720), (116, 175483290), (120, 169633847), (145, 140386632), (174, 116988860), (232, 87741645), (290, 70193316), (348, 58494430), (435, 46795544), (580, 35096658), (696, 29247215), (870, 23397772), (1160, 17548329), (1740, 11698886), (2293, 8877480), (2551, 7979640), (3480, 5849443), (4586, 4438740), (5102, 3989820), (6879, 2959160), (7653, 2659880), (9172, 2219370), (10204, 1994910), (11465, 1775496), (12755, 1595928), (13758, 1479580), (15306, 1329940), (18344, 1109685), (20408, 997455), (22930, 887748), (25510, 797964), (27516, 739790), (30612, 664970), (34395, 591832), (38265, 531976), (45860, 443874), (51020, 398982), (55032, 369895), (61224, 332485), (66497, 306120), (68790, 295916), (73979, 275160), (76530, 265988), (91720, 221937), (102040, 199491), (132994, 153060), (137580, 147958)]