20121115388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2753}}^1\times {\mathrm{3863}}^1$

素因数の和:6674

約数の個数: 48

約数和(自身を含む): 39330821376

約数和(自身を除く): 19209705988

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 2753, 3863, 5506, 7726, 11012, 15452, 30283, 42493, 60566, 84986, 118379, 121132, 166109, 169972, 236758, 332218, 473516, 664436, 1302169, 1827199, 2604338, 3654398, 5208676, 7308796, 10634839, 21269678, 42539356, 116983229, 233966458, 457298077, 467932916, 914596154, 1829192308, 5030278847, 10060557694, 20121115388]

約数ペア:

[(1, 20121115388), (2, 10060557694), (4, 5030278847), (11, 1829192308), (22, 914596154), (43, 467932916), (44, 457298077), (86, 233966458), (172, 116983229), (473, 42539356), (946, 21269678), (1892, 10634839), (2753, 7308796), (3863, 5208676), (5506, 3654398), (7726, 2604338), (11012, 1827199), (15452, 1302169), (30283, 664436), (42493, 473516), (60566, 332218), (84986, 236758), (118379, 169972), (121132, 166109)]