20659612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 19982948

約数列:

[1, 2, 4, 19, 23, 38, 46, 53, 76, 92, 106, 212, 223, 437, 446, 874, 892, 1007, 1219, 1748, 2014, 2438, 4028, 4237, 4876, 5129, 8474, 10258, 11819, 16948, 20516, 23161, 23638, 46322, 47276, 92644, 97451, 194902, 224561, 271837, 389804, 449122, 543674, 898244, 1087348, 5164903, 10329806, 20659612]

約数ペア:

[(1, 20659612), (2, 10329806), (4, 5164903), (19, 1087348), (23, 898244), (38, 543674), (46, 449122), (53, 389804), (76, 271837), (92, 224561), (106, 194902), (212, 97451), (223, 92644), (437, 47276), (446, 46322), (874, 23638), (892, 23161), (1007, 20516), (1219, 16948), (1748, 11819), (2014, 10258), (2438, 8474), (4028, 5129), (4237, 4876)]