20807625496

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{39829}}^1$

素因数の和:40352

約数の個数: 64

約数和(自身を含む): 47031264000

約数和(自身を除く): 26223638504

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 491, 532, 982, 1064, 1964, 3437, 3928, 6874, 9329, 13748, 18658, 27496, 37316, 39829, 65303, 74632, 79658, 130606, 159316, 261212, 278803, 318632, 522424, 557606, 756751, 1115212, 1513502, 2230424, 3027004, 5297257, 6054008, 10594514, 19556039, 21189028, 39112078, 42378056, 78224156, 136892273, 156448312, 273784546, 371564741, 547569092, 743129482, 1095138184, 1486258964, 2600953187, 2972517928, 5201906374, 10403812748, 20807625496]

約数ペア:

[(1, 20807625496), (2, 10403812748), (4, 5201906374), (7, 2972517928), (8, 2600953187), (14, 1486258964), (19, 1095138184), (28, 743129482), (38, 547569092), (56, 371564741), (76, 273784546), (133, 156448312), (152, 136892273), (266, 78224156), (491, 42378056), (532, 39112078), (982, 21189028), (1064, 19556039), (1964, 10594514), (3437, 6054008), (3928, 5297257), (6874, 3027004), (9329, 2230424), (13748, 1513502), (18658, 1115212), (27496, 756751), (37316, 557606), (39829, 522424), (65303, 318632), (74632, 278803), (79658, 261212), (130606, 159316)]