20118514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2034

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15806606

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 1979, 3958, 5083, 10166, 25727, 33643, 45517, 51454, 67286, 91034, 437359, 591721, 773789, 874718, 1183442, 1547578, 10059257, 20118514]

約数ペア:

[(1, 20118514), (2, 10059257), (13, 1547578), (17, 1183442), (23, 874718), (26, 773789), (34, 591721), (46, 437359), (221, 91034), (299, 67286), (391, 51454), (442, 45517), (598, 33643), (782, 25727), (1979, 10166), (3958, 5083)]