20994638

素因数分解:

$2^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{757}}^1$

素因数の和:1056

約数の個数: 24

約数和(自身を含む): 36811512

約数和(自身を除く): 15816874

約数列:

[1, 2, 7, 14, 49, 98, 283, 566, 757, 1514, 1981, 3962, 5299, 10598, 13867, 27734, 37093, 74186, 214231, 428462, 1499617, 2999234, 10497319, 20994638]

約数ペア:

[(1, 20994638), (2, 10497319), (7, 2999234), (14, 1499617), (49, 428462), (98, 214231), (283, 74186), (566, 37093), (757, 27734), (1514, 13867), (1981, 10598), (3962, 5299)]