20551947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12853}}^1$

素因数の和:12910

約数の個数: 16

約数和(自身を含む): 30232608

約数和(自身を除く): 9680661

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12853, 38559, 167089, 501267, 526973, 1580919, 6850649, 20551947]

約数ペア:

[(1, 20551947), (3, 6850649), (13, 1580919), (39, 526973), (41, 501267), (123, 167089), (533, 38559), (1599, 12853)]