20347691

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1879}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 27004320

約数和(自身を除く): 6656629

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 1879, 10829, 13153, 24427, 31943, 92071, 170989, 223601, 415259, 1196923, 1565207, 2906813, 20347691]

約数ペア:

[(1, 20347691), (7, 2906813), (13, 1565207), (17, 1196923), (49, 415259), (91, 223601), (119, 170989), (221, 92071), (637, 31943), (833, 24427), (1547, 13153), (1879, 10829)]