20543541

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1021}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 28943040

約数和(自身を除く): 8399499

約数列:

[1, 3, 19, 57, 353, 1021, 1059, 3063, 6707, 19399, 20121, 58197, 360413, 1081239, 6847847, 20543541]

約数ペア:

[(1, 20543541), (3, 6847847), (19, 1081239), (57, 360413), (353, 58197), (1021, 20121), (1059, 19399), (3063, 6707)]