20347086956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42745981}}^1$

素因数の和:42746009

約数の個数: 24

約数和(自身を含む): 43087949856

約数和(自身を除く): 22740862900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42745981, 85491962, 170983924, 299221867, 598443734, 726681677, 1196887468, 1453363354, 2906726708, 5086771739, 10173543478, 20347086956]

約数ペア:

[(1, 20347086956), (2, 10173543478), (4, 5086771739), (7, 2906726708), (14, 1453363354), (17, 1196887468), (28, 726681677), (34, 598443734), (68, 299221867), (119, 170983924), (238, 85491962), (476, 42745981)]