2020647916

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{2539}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 4143166720

約数和(自身を除く): 2122518804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 661, 1204, 1322, 2539, 2644, 4627, 5078, 9254, 10156, 17773, 18508, 28423, 35546, 56846, 71092, 109177, 113692, 198961, 218354, 397922, 436708, 764239, 795844, 1528478, 1678279, 3056956, 3356558, 6713116, 11747953, 23495906, 46991812, 72165997, 144331994, 288663988, 505161979, 1010323958, 2020647916]

約数ペア:

[(1, 2020647916), (2, 1010323958), (4, 505161979), (7, 288663988), (14, 144331994), (28, 72165997), (43, 46991812), (86, 23495906), (172, 11747953), (301, 6713116), (602, 3356558), (661, 3056956), (1204, 1678279), (1322, 1528478), (2539, 795844), (2644, 764239), (4627, 436708), (5078, 397922), (9254, 218354), (10156, 198961), (17773, 113692), (18508, 109177), (28423, 71092), (35546, 56846)]