20255916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 29740884

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 79, 92, 138, 158, 237, 276, 316, 474, 929, 948, 1817, 1858, 2787, 3634, 3716, 5451, 5574, 7268, 10902, 11148, 21367, 21804, 42734, 64101, 73391, 85468, 128202, 146782, 220173, 256404, 293564, 440346, 880692, 1687993, 3375986, 5063979, 6751972, 10127958, 20255916]

約数ペア:

[(1, 20255916), (2, 10127958), (3, 6751972), (4, 5063979), (6, 3375986), (12, 1687993), (23, 880692), (46, 440346), (69, 293564), (79, 256404), (92, 220173), (138, 146782), (158, 128202), (237, 85468), (276, 73391), (316, 64101), (474, 42734), (929, 21804), (948, 21367), (1817, 11148), (1858, 10902), (2787, 7268), (3634, 5574), (3716, 5451)]