20012438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5507}}^1$

素因数の和:5611

約数の個数: 16

約数和(自身を含む): 31726080

約数和(自身を除く): 11713642

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5507, 11014, 126661, 253322, 435053, 870106, 10006219, 20012438]

約数ペア:

[(1, 20012438), (2, 10006219), (23, 870106), (46, 435053), (79, 253322), (158, 126661), (1817, 11014), (3634, 5507)]