20121803

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 22800960

約数和(自身を除く): 2679157

約数列:

[1, 13, 23, 173, 299, 389, 2249, 3979, 5057, 8947, 51727, 67297, 116311, 874861, 1547831, 20121803]

約数ペア:

[(1, 20121803), (13, 1547831), (23, 874861), (173, 116311), (299, 67297), (389, 51727), (2249, 8947), (3979, 5057)]