20945626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21773}}^1$

素因数の和:21825

約数の個数: 16

約数和(自身を含む): 34751304

約数和(自身を除く): 13805678

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21773, 43546, 283049, 566098, 805601, 1611202, 10472813, 20945626]

約数ペア:

[(1, 20945626), (2, 10472813), (13, 1611202), (26, 805601), (37, 566098), (74, 283049), (481, 43546), (962, 21773)]