20796684290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1374533}}^1$

素因数の和:1374646

約数の個数: 32

約数和(自身を含む): 40081411440

約数和(自身を除く): 19284727150

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 1374533, 2749066, 6872665, 13745330, 23367061, 46734122, 116835305, 122333437, 233670610, 244666874, 611667185, 1223334370, 2079668429, 4159336858, 10398342145, 20796684290]

約数ペア:

[(1, 20796684290), (2, 10398342145), (5, 4159336858), (10, 2079668429), (17, 1223334370), (34, 611667185), (85, 244666874), (89, 233670610), (170, 122333437), (178, 116835305), (445, 46734122), (890, 23367061), (1513, 13745330), (3026, 6872665), (7565, 2749066), (15130, 1374533)]