20010003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30181}}^1$

素因数の和:30214

約数の個数: 16

約数和(自身を含む): 30423456

約数和(自身を除く): 10413453

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30181, 90543, 392353, 513077, 1177059, 1539231, 6670001, 20010003]

約数ペア:

[(1, 20010003), (3, 6670001), (13, 1539231), (17, 1177059), (39, 513077), (51, 392353), (221, 90543), (663, 30181)]