20216448021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87517091}}^1$

素因数の和:87517112

約数の個数: 16

約数和(自身を含む): 33606563328

約数和(自身を除く): 13390115307

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87517091, 262551273, 612619637, 962688001, 1837858911, 2888064003, 6738816007, 20216448021]

約数ペア:

[(1, 20216448021), (3, 6738816007), (7, 2888064003), (11, 1837858911), (21, 962688001), (33, 612619637), (77, 262551273), (231, 87517091)]