20320426

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 36017280

約数和(自身を除く): 15696854

約数列:

[1, 2, 7, 14, 59, 73, 118, 146, 337, 413, 511, 674, 826, 1022, 2359, 4307, 4718, 8614, 19883, 24601, 30149, 39766, 49202, 60298, 139181, 172207, 278362, 344414, 1451459, 2902918, 10160213, 20320426]

約数ペア:

[(1, 20320426), (2, 10160213), (7, 2902918), (14, 1451459), (59, 344414), (73, 278362), (118, 172207), (146, 139181), (337, 60298), (413, 49202), (511, 39766), (674, 30149), (826, 24601), (1022, 19883), (2359, 8614), (4307, 4718)]