20199521691

素因数分解:

$3^4\times {\mathrm{1151}}^1\times {\mathrm{216661}}^1$

素因数の和:217824

約数の個数: 20

約数和(自身を含む): 30200949504

約数和(自身を除く): 10001427813

約数列:

[1, 3, 9, 27, 81, 1151, 3453, 10359, 31077, 93231, 216661, 649983, 1949949, 5849847, 17549541, 249376811, 748130433, 2244391299, 6733173897, 20199521691]

約数ペア:

[(1, 20199521691), (3, 6733173897), (9, 2244391299), (27, 748130433), (81, 249376811), (1151, 17549541), (3453, 5849847), (10359, 1949949), (31077, 649983), (93231, 216661)]