20362587

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 32044032

約数和(自身を除く): 11681445

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 1951, 3479, 5853, 10437, 13657, 40971, 95599, 138521, 286797, 415563, 969647, 2908941, 6787529, 20362587]

約数ペア:

[(1, 20362587), (3, 6787529), (7, 2908941), (21, 969647), (49, 415563), (71, 286797), (147, 138521), (213, 95599), (497, 40971), (1491, 13657), (1951, 10437), (3479, 5853)]