20214355

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25111}}^1$

素因数の和:25146

約数の個数: 16

約数和(自身を含む): 28929024

約数和(自身を除く): 8714669

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25111, 125555, 175777, 577553, 878885, 2887765, 4042871, 20214355]

約数ペア:

[(1, 20214355), (5, 4042871), (7, 2887765), (23, 878885), (35, 577553), (115, 175777), (161, 125555), (805, 25111)]