20713924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 45682560

約数和(自身を除く): 24968636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 617, 763, 1199, 1234, 1526, 2398, 2468, 3052, 4319, 4796, 6787, 8393, 8638, 13574, 16786, 17276, 27148, 33572, 47509, 67253, 95018, 134506, 190036, 269012, 470771, 739783, 941542, 1479566, 1883084, 2959132, 5178481, 10356962, 20713924]

約数ペア:

[(1, 20713924), (2, 10356962), (4, 5178481), (7, 2959132), (11, 1883084), (14, 1479566), (22, 941542), (28, 739783), (44, 470771), (77, 269012), (109, 190036), (154, 134506), (218, 95018), (308, 67253), (436, 47509), (617, 33572), (763, 27148), (1199, 17276), (1234, 16786), (1526, 13574), (2398, 8638), (2468, 8393), (3052, 6787), (4319, 4796)]