20838994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 14930606

約数列:

[1, 2, 11, 22, 29, 58, 89, 178, 319, 367, 638, 734, 979, 1958, 2581, 4037, 5162, 8074, 10643, 21286, 28391, 32663, 56782, 65326, 117073, 234146, 359293, 718586, 947227, 1894454, 10419497, 20838994]

約数ペア:

[(1, 20838994), (2, 10419497), (11, 1894454), (22, 947227), (29, 718586), (58, 359293), (89, 234146), (178, 117073), (319, 65326), (367, 56782), (638, 32663), (734, 28391), (979, 21286), (1958, 10643), (2581, 8074), (4037, 5162)]