20944526

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1303

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 11369074

約数列:

[1, 2, 43, 86, 239, 478, 1019, 2038, 10277, 20554, 43817, 87634, 243541, 487082, 10472263, 20944526]

約数ペア:

[(1, 20944526), (2, 10472263), (43, 487082), (86, 243541), (239, 87634), (478, 43817), (1019, 20554), (2038, 10277)]