20155271485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{438301}}^1$

素因数の和:438864

約数の個数: 16

約数和(自身を含む): 25656445872

約数和(自身を除く): 5501174387

約数列:

[1, 5, 17, 85, 541, 2705, 9197, 45985, 438301, 2191505, 7451117, 37255585, 237120841, 1185604205, 4031054297, 20155271485]

約数ペア:

[(1, 20155271485), (5, 4031054297), (17, 1185604205), (85, 237120841), (541, 37255585), (2705, 7451117), (9197, 2191505), (45985, 438301)]