20531239881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13881839}}^1$

素因数の和:13881888

約数の個数: 16

約数和(自身を含む): 29984774400

約数和(自身を除く): 9453534519

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 13881839, 41645517, 235991263, 402573331, 707973789, 1207719993, 6843746627, 20531239881]

約数ペア:

[(1, 20531239881), (3, 6843746627), (17, 1207719993), (29, 707973789), (51, 402573331), (87, 235991263), (493, 41645517), (1479, 13881839)]