20124863920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{432979}}^1$

素因数の和:433082

約数の個数: 80

約数和(自身を含む): 54119036160

約数和(自身を除く): 33994172240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 2324, 2905, 3320, 4648, 5810, 6640, 9296, 11620, 23240, 46480, 432979, 865958, 1731916, 2164895, 3030853, 3463832, 4329790, 6061706, 6927664, 8659580, 12123412, 15154265, 17319160, 24246824, 30308530, 34638320, 35937257, 48493648, 60617060, 71874514, 121234120, 143749028, 179686285, 242468240, 251560799, 287498056, 359372570, 503121598, 574996112, 718745140, 1006243196, 1257803995, 1437490280, 2012486392, 2515607990, 2874980560, 4024972784, 5031215980, 10062431960, 20124863920]

約数ペア:

[(1, 20124863920), (2, 10062431960), (4, 5031215980), (5, 4024972784), (7, 2874980560), (8, 2515607990), (10, 2012486392), (14, 1437490280), (16, 1257803995), (20, 1006243196), (28, 718745140), (35, 574996112), (40, 503121598), (56, 359372570), (70, 287498056), (80, 251560799), (83, 242468240), (112, 179686285), (140, 143749028), (166, 121234120), (280, 71874514), (332, 60617060), (415, 48493648), (560, 35937257), (581, 34638320), (664, 30308530), (830, 24246824), (1162, 17319160), (1328, 15154265), (1660, 12123412), (2324, 8659580), (2905, 6927664), (3320, 6061706), (4648, 4329790), (5810, 3463832), (6640, 3030853), (9296, 2164895), (11620, 1731916), (23240, 865958), (46480, 432979)]