20215676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9041}}^1$

素因数の和:9101

約数の個数: 24

約数和(自身を含む): 38989104

約数和(自身を除く): 18773428

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9041, 18082, 36164, 117533, 235066, 388763, 470132, 777526, 1555052, 5053919, 10107838, 20215676]

約数ペア:

[(1, 20215676), (2, 10107838), (4, 5053919), (13, 1555052), (26, 777526), (43, 470132), (52, 388763), (86, 235066), (172, 117533), (559, 36164), (1118, 18082), (2236, 9041)]