20565580847

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{279511}}^1$

素因数の和:279998

約数の個数: 16

約数和(自身を含む): 24579167232

約数和(自身を除く): 4013586385

約数列:

[1, 7, 23, 161, 457, 3199, 10511, 73577, 279511, 1956577, 6428753, 45001271, 127736527, 894155689, 2937940121, 20565580847]

約数ペア:

[(1, 20565580847), (7, 2937940121), (23, 894155689), (161, 127736527), (457, 45001271), (3199, 6428753), (10511, 1956577), (73577, 279511)]