20193660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 62702640

約数和(自身を除く): 42508980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 2609, 3870, 5218, 7740, 7827, 10436, 13045, 15654, 23481, 26090, 31308, 39135, 46962, 52180, 78270, 93924, 112187, 117405, 156540, 224374, 234810, 336561, 448748, 469620, 560935, 673122, 1009683, 1121870, 1346244, 1682805, 2019366, 2243740, 3365610, 4038732, 5048415, 6731220, 10096830, 20193660]

約数ペア:

[(1, 20193660), (2, 10096830), (3, 6731220), (4, 5048415), (5, 4038732), (6, 3365610), (9, 2243740), (10, 2019366), (12, 1682805), (15, 1346244), (18, 1121870), (20, 1009683), (30, 673122), (36, 560935), (43, 469620), (45, 448748), (60, 336561), (86, 234810), (90, 224374), (129, 156540), (172, 117405), (180, 112187), (215, 93924), (258, 78270), (387, 52180), (430, 46962), (516, 39135), (645, 31308), (774, 26090), (860, 23481), (1290, 15654), (1548, 13045), (1935, 10436), (2580, 7827), (2609, 7740), (3870, 5218)]