20702721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14347}}^1$

素因数の和:14400

約数の個数: 16

約数和(自身を含む): 30532544

約数和(自身を除く): 9829823

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14347, 43041, 186511, 530839, 559533, 1592517, 6900907, 20702721]

約数ペア:

[(1, 20702721), (3, 6900907), (13, 1592517), (37, 559533), (39, 530839), (111, 186511), (481, 43041), (1443, 14347)]