20964112

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7753}}^1$

素因数の和:7787

約数の個数: 30

約数和(自身を含む): 43988442

約数和(自身を除く): 23024330

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7753, 15506, 31012, 62024, 100789, 124048, 201578, 403156, 806312, 1310257, 1612624, 2620514, 5241028, 10482056, 20964112]

約数ペア:

[(1, 20964112), (2, 10482056), (4, 5241028), (8, 2620514), (13, 1612624), (16, 1310257), (26, 806312), (52, 403156), (104, 201578), (169, 124048), (208, 100789), (338, 62024), (676, 31012), (1352, 15506), (2704, 7753)]