20790142894

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{117977}}^1$

素因数の和:118140

約数の個数: 32

約数和(自身を含む): 33943686336

約数和(自身を除く): 13153543442

約数列:

[1, 2, 17, 34, 71, 73, 142, 146, 1207, 1241, 2414, 2482, 5183, 10366, 88111, 117977, 176222, 235954, 2005609, 4011218, 8376367, 8612321, 16752734, 17224642, 142398239, 146409457, 284796478, 292818914, 611474791, 1222949582, 10395071447, 20790142894]

約数ペア:

[(1, 20790142894), (2, 10395071447), (17, 1222949582), (34, 611474791), (71, 292818914), (73, 284796478), (142, 146409457), (146, 142398239), (1207, 17224642), (1241, 16752734), (2414, 8612321), (2482, 8376367), (5183, 4011218), (10366, 2005609), (88111, 235954), (117977, 176222)]