20120457996

素因数分解:

$2^2\times 3^4\times {\mathrm{359}}^1\times {\mathrm{172981}}^1$

素因数の和:173356

約数の個数: 60

約数和(自身を含む): 52745671440

約数和(自身を除く): 32625213444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 359, 718, 1077, 1436, 2154, 3231, 4308, 6462, 9693, 12924, 19386, 29079, 38772, 58158, 116316, 172981, 345962, 518943, 691924, 1037886, 1556829, 2075772, 3113658, 4670487, 6227316, 9340974, 14011461, 18681948, 28022922, 56045844, 62100179, 124200358, 186300537, 248400716, 372601074, 558901611, 745202148, 1117803222, 1676704833, 2235606444, 3353409666, 5030114499, 6706819332, 10060228998, 20120457996]

約数ペア:

[(1, 20120457996), (2, 10060228998), (3, 6706819332), (4, 5030114499), (6, 3353409666), (9, 2235606444), (12, 1676704833), (18, 1117803222), (27, 745202148), (36, 558901611), (54, 372601074), (81, 248400716), (108, 186300537), (162, 124200358), (324, 62100179), (359, 56045844), (718, 28022922), (1077, 18681948), (1436, 14011461), (2154, 9340974), (3231, 6227316), (4308, 4670487), (6462, 3113658), (9693, 2075772), (12924, 1556829), (19386, 1037886), (29079, 691924), (38772, 518943), (58158, 345962), (116316, 172981)]