20609511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12889}}^1$

素因数の和:12946

約数の個数: 16

約数和(自身を含む): 30317280

約数和(自身を除く): 9707769

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12889, 38667, 167557, 502671, 528449, 1585347, 6869837, 20609511]

約数ペア:

[(1, 20609511), (3, 6869837), (13, 1585347), (39, 528449), (41, 502671), (123, 167557), (533, 38667), (1599, 12889)]