20116962784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{520841}}^1$

素因数の和:520939

約数の個数: 48

約数和(自身を含む): 42525707616

約数和(自身を除く): 22408744832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 2272, 2414, 4828, 9656, 19312, 38624, 520841, 1041682, 2083364, 4166728, 8333456, 8854297, 16666912, 17708594, 35417188, 36979711, 70834376, 73959422, 141668752, 147918844, 283337504, 295837688, 591675376, 628655087, 1183350752, 1257310174, 2514620348, 5029240696, 10058481392, 20116962784]

約数ペア:

[(1, 20116962784), (2, 10058481392), (4, 5029240696), (8, 2514620348), (16, 1257310174), (17, 1183350752), (32, 628655087), (34, 591675376), (68, 295837688), (71, 283337504), (136, 147918844), (142, 141668752), (272, 73959422), (284, 70834376), (544, 36979711), (568, 35417188), (1136, 17708594), (1207, 16666912), (2272, 8854297), (2414, 8333456), (4828, 4166728), (9656, 2083364), (19312, 1041682), (38624, 520841)]