20796507

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13513}}^1$

素因数の和:13544

約数の個数: 20

約数和(自身を含む): 32703880

約数和(自身を除く): 11907373

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13513, 40539, 121617, 256747, 364851, 770241, 1094553, 2310723, 6932169, 20796507]

約数ペア:

[(1, 20796507), (3, 6932169), (9, 2310723), (19, 1094553), (27, 770241), (57, 364851), (81, 256747), (171, 121617), (513, 40539), (1539, 13513)]