20163379720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{158567}}^1$

素因数の和:158623

約数の個数: 96

約数和(自身を含む): 52574806080

約数和(自身を除く): 32411426360

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 289, 340, 374, 440, 578, 680, 748, 935, 1156, 1445, 1496, 1870, 2312, 2890, 3179, 3740, 5780, 6358, 7480, 11560, 12716, 15895, 25432, 31790, 63580, 127160, 158567, 317134, 634268, 792835, 1268536, 1585670, 1744237, 2695639, 3171340, 3488474, 5391278, 6342680, 6976948, 8721185, 10782556, 13478195, 13953896, 17442370, 21565112, 26956390, 29652029, 34884740, 45825863, 53912780, 59304058, 69769480, 91651726, 107825560, 118608116, 148260145, 183303452, 229129315, 237216232, 296520290, 366606904, 458258630, 504084493, 593040580, 916517260, 1008168986, 1186081160, 1833034520, 2016337972, 2520422465, 4032675944, 5040844930, 10081689860, 20163379720]

約数ペア:

[(1, 20163379720), (2, 10081689860), (4, 5040844930), (5, 4032675944), (8, 2520422465), (10, 2016337972), (11, 1833034520), (17, 1186081160), (20, 1008168986), (22, 916517260), (34, 593040580), (40, 504084493), (44, 458258630), (55, 366606904), (68, 296520290), (85, 237216232), (88, 229129315), (110, 183303452), (136, 148260145), (170, 118608116), (187, 107825560), (220, 91651726), (289, 69769480), (340, 59304058), (374, 53912780), (440, 45825863), (578, 34884740), (680, 29652029), (748, 26956390), (935, 21565112), (1156, 17442370), (1445, 13953896), (1496, 13478195), (1870, 10782556), (2312, 8721185), (2890, 6976948), (3179, 6342680), (3740, 5391278), (5780, 3488474), (6358, 3171340), (7480, 2695639), (11560, 1744237), (12716, 1585670), (15895, 1268536), (25432, 792835), (31790, 634268), (63580, 317134), (127160, 158567)]