20185776723

素因数分解:

$3^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{120349}}^1$

素因数の和:120536

約数の個数: 32

約数和(自身を含む): 31579840000

約数和(自身を除く): 11394063277

約数列:

[1, 3, 7, 21, 49, 147, 163, 343, 489, 1029, 1141, 3423, 7987, 23961, 55909, 120349, 167727, 361047, 842443, 2527329, 5897101, 17691303, 19616887, 41279707, 58850661, 123839121, 137318209, 411954627, 961227463, 2883682389, 6728592241, 20185776723]

約数ペア:

[(1, 20185776723), (3, 6728592241), (7, 2883682389), (21, 961227463), (49, 411954627), (147, 137318209), (163, 123839121), (343, 58850661), (489, 41279707), (1029, 19616887), (1141, 17691303), (3423, 5897101), (7987, 2527329), (23961, 842443), (55909, 361047), (120349, 167727)]