20123701821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{213539}}^1$

素因数の和:213865

約数の個数: 24

約数和(自身を含む): 29958807840

約数和(自身を除く): 9835106019

約数列:

[1, 3, 9, 37, 111, 283, 333, 849, 2547, 10471, 31413, 94239, 213539, 640617, 1921851, 7900943, 23702829, 60431537, 71108487, 181294611, 543883833, 2235966869, 6707900607, 20123701821]

約数ペア:

[(1, 20123701821), (3, 6707900607), (9, 2235966869), (37, 543883833), (111, 181294611), (283, 71108487), (333, 60431537), (849, 23702829), (2547, 7900943), (10471, 1921851), (31413, 640617), (94239, 213539)]