20564691

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42577}}^1$

素因数の和:42610

約数の個数: 16

約数和(自身を含む): 32699904

約数和(自身を除く): 12135213

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42577, 127731, 298039, 894117, 979271, 2937813, 6854897, 20564691]

約数ペア:

[(1, 20564691), (3, 6854897), (7, 2937813), (21, 979271), (23, 894117), (69, 298039), (161, 127731), (483, 42577)]