16985020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65327}}^1$

素因数の和:65349

約数の個数: 24

約数和(自身を含む): 38412864

約数和(自身を除く): 21427844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 65327, 130654, 261308, 326635, 653270, 849251, 1306540, 1698502, 3397004, 4246255, 8492510, 16985020]

約数ペア:

[(1, 16985020), (2, 8492510), (4, 4246255), (5, 3397004), (10, 1698502), (13, 1306540), (20, 849251), (26, 653270), (52, 326635), (65, 261308), (130, 130654), (260, 65327)]