20994092

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9491}}^1$

素因数の和:9581

約数の個数: 24

約数和(自身を含む): 42524160

約数和(自身を除く): 21530068

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9491, 18982, 37964, 66437, 132874, 265748, 749789, 1499578, 2999156, 5248523, 10497046, 20994092]

約数ペア:

[(1, 20994092), (2, 10497046), (4, 5248523), (7, 2999156), (14, 1499578), (28, 749789), (79, 265748), (158, 132874), (316, 66437), (553, 37964), (1106, 18982), (2212, 9491)]