20494903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 3721289

約数列:

[1, 11, 13, 143, 251, 571, 2761, 3263, 6281, 7423, 35893, 81653, 143321, 1576531, 1863173, 20494903]

約数ペア:

[(1, 20494903), (11, 1863173), (13, 1576531), (143, 143321), (251, 81653), (571, 35893), (2761, 7423), (3263, 6281)]