20999701983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{23411039}}^1$

素因数の和:23411078

約数の個数: 16

約数和(自身を含む): 31464437760

約数和(自身を除く): 10464735777

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 23411039, 70233117, 304343507, 538453897, 913030521, 1615361691, 6999900661, 20999701983]

約数ペア:

[(1, 20999701983), (3, 6999900661), (13, 1615361691), (23, 913030521), (39, 538453897), (69, 304343507), (299, 70233117), (897, 23411039)]