20026895

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7243}}^1$

素因数の和:7334

約数の個数: 16

約数和(自身を含む): 27816960

約数和(自身を除く): 7790065

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7243, 36215, 50701, 253505, 572197, 2860985, 4005379, 20026895]

約数ペア:

[(1, 20026895), (5, 4005379), (7, 2860985), (35, 572197), (79, 253505), (395, 50701), (553, 36215), (2765, 7243)]