20161145778740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{3331}}^1\times {\mathrm{21871}}^1$

素因数の和:25449

約数の個数: 96

約数和(自身を含む): 43084597344768

約数和(自身を除く): 22923451566028

約数列:

[1, 2, 4, 5, 10, 20, 101, 137, 202, 274, 404, 505, 548, 685, 1010, 1370, 2020, 2740, 3331, 6662, 13324, 13837, 16655, 21871, 27674, 33310, 43742, 55348, 66620, 69185, 87484, 109355, 138370, 218710, 276740, 336431, 437420, 456347, 672862, 912694, 1345724, 1682155, 1825388, 2208971, 2281735, 2996327, 3364310, 4417942, 4563470, 5992654, 6728620, 8835884, 9126940, 11044855, 11985308, 14981635, 22089710, 29963270, 44179420, 46091047, 59926540, 72852301, 92182094, 145704602, 184364188, 230455235, 291409204, 302629027, 364261505, 460910470, 605258054, 728523010, 921820940, 1210516108, 1457046020, 1513145135, 3026290270, 6052580540, 7358082401, 9980765237, 14716164802, 19961530474, 29432329604, 36790412005, 39923060948, 49903826185, 73580824010, 99807652370, 147161648020, 199615304740, 1008057288937, 2016114577874, 4032229155748, 5040286444685, 10080572889370, 20161145778740]

約数ペア:

[(1, 20161145778740), (2, 10080572889370), (4, 5040286444685), (5, 4032229155748), (10, 2016114577874), (20, 1008057288937), (101, 199615304740), (137, 147161648020), (202, 99807652370), (274, 73580824010), (404, 49903826185), (505, 39923060948), (548, 36790412005), (685, 29432329604), (1010, 19961530474), (1370, 14716164802), (2020, 9980765237), (2740, 7358082401), (3331, 6052580540), (6662, 3026290270), (13324, 1513145135), (13837, 1457046020), (16655, 1210516108), (21871, 921820940), (27674, 728523010), (33310, 605258054), (43742, 460910470), (55348, 364261505), (66620, 302629027), (69185, 291409204), (87484, 230455235), (109355, 184364188), (138370, 145704602), (218710, 92182094), (276740, 72852301), (336431, 59926540), (437420, 46091047), (456347, 44179420), (672862, 29963270), (912694, 22089710), (1345724, 14981635), (1682155, 11985308), (1825388, 11044855), (2208971, 9126940), (2281735, 8835884), (2996327, 6728620), (3364310, 5992654), (4417942, 4563470)]