20365396

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1223}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 17059628

約数列:

[1, 2, 4, 23, 46, 92, 181, 362, 724, 1223, 2446, 4163, 4892, 8326, 16652, 28129, 56258, 112516, 221363, 442726, 885452, 5091349, 10182698, 20365396]

約数ペア:

[(1, 20365396), (2, 10182698), (4, 5091349), (23, 885452), (46, 442726), (92, 221363), (181, 112516), (362, 56258), (724, 28129), (1223, 16652), (2446, 8326), (4163, 4892)]