20970295918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{6653}}^1$

素因数の和:6889

約数の個数: 64

約数和(自身を含む): 37667814912

約数和(自身を除く): 16697518994

約数列:

[1, 2, 11, 13, 22, 26, 103, 107, 143, 206, 214, 286, 1133, 1177, 1339, 1391, 2266, 2354, 2678, 2782, 6653, 11021, 13306, 14729, 15301, 22042, 29458, 30602, 73183, 86489, 121231, 143273, 146366, 172978, 242462, 286546, 685259, 711871, 951379, 1370518, 1423742, 1576003, 1902758, 3152006, 7537849, 7830581, 8908367, 9254323, 15075698, 15661162, 17816734, 18508646, 73322713, 97992037, 101797553, 146645426, 195984074, 203595106, 806549843, 953195269, 1613099686, 1906390538, 10485147959, 20970295918]

約数ペア:

[(1, 20970295918), (2, 10485147959), (11, 1906390538), (13, 1613099686), (22, 953195269), (26, 806549843), (103, 203595106), (107, 195984074), (143, 146645426), (206, 101797553), (214, 97992037), (286, 73322713), (1133, 18508646), (1177, 17816734), (1339, 15661162), (1391, 15075698), (2266, 9254323), (2354, 8908367), (2678, 7830581), (2782, 7537849), (6653, 3152006), (11021, 1902758), (13306, 1576003), (14729, 1423742), (15301, 1370518), (22042, 951379), (29458, 711871), (30602, 685259), (73183, 286546), (86489, 242462), (121231, 172978), (143273, 146366)]