20905172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10601}}^1$

素因数の和:10651

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 19170388

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10601, 21202, 42404, 180217, 307429, 360434, 614858, 720868, 1229716, 5226293, 10452586, 20905172]

約数ペア:

[(1, 20905172), (2, 10452586), (4, 5226293), (17, 1229716), (29, 720868), (34, 614858), (58, 360434), (68, 307429), (116, 180217), (493, 42404), (986, 21202), (1972, 10601)]