20857575657

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{10139}}^1$

素因数の和:10653

約数の個数: 32

約数和(自身を含む): 29296650240

約数和(自身を除く): 8439074583

約数列:

[1, 3, 37, 43, 111, 129, 431, 1293, 1591, 4773, 10139, 15947, 18533, 30417, 47841, 55599, 375143, 435977, 685721, 1125429, 1307931, 2057163, 4369909, 13109727, 16131149, 48393447, 161686633, 187906087, 485059899, 563718261, 6952525219, 20857575657]

約数ペア:

[(1, 20857575657), (3, 6952525219), (37, 563718261), (43, 485059899), (111, 187906087), (129, 161686633), (431, 48393447), (1293, 16131149), (1591, 13109727), (4773, 4369909), (10139, 2057163), (15947, 1307931), (18533, 1125429), (30417, 685721), (47841, 435977), (55599, 375143)]