20208909

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9343}}^1$

素因数の和:9456

約数の個数: 16

約数和(自身を含む): 31096832

約数和(自身を除く): 10887923

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9343, 28029, 65401, 196203, 962329, 2886987, 6736303, 20208909]

約数ペア:

[(1, 20208909), (3, 6736303), (7, 2886987), (21, 962329), (103, 196203), (309, 65401), (721, 28029), (2163, 9343)]