20783829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1103}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 30311424

約数和(自身を除く): 9527595

約数列:

[1, 3, 11, 33, 571, 1103, 1713, 3309, 6281, 12133, 18843, 36399, 629813, 1889439, 6927943, 20783829]

約数ペア:

[(1, 20783829), (3, 6927943), (11, 1889439), (33, 629813), (571, 36399), (1103, 18843), (1713, 12133), (3309, 6281)]