13867780

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1049}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 29194200

約数和(自身を除く): 15326420

約数列:

[1, 2, 4, 5, 10, 20, 661, 1049, 1322, 2098, 2644, 3305, 4196, 5245, 6610, 10490, 13220, 20980, 693389, 1386778, 2773556, 3466945, 6933890, 13867780]

約数ペア:

[(1, 13867780), (2, 6933890), (4, 3466945), (5, 2773556), (10, 1386778), (20, 693389), (661, 20980), (1049, 13220), (1322, 10490), (2098, 6610), (2644, 5245), (3305, 4196)]