20542197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22901}}^1$

素因数の和:22940

約数の個数: 16

約数和(自身を含む): 30780288

約数和(自身を除く): 10238091

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22901, 68703, 297713, 526723, 893139, 1580169, 6847399, 20542197]

約数ペア:

[(1, 20542197), (3, 6847399), (13, 1580169), (23, 893139), (39, 526723), (69, 297713), (299, 68703), (897, 22901)]