20893430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90841}}^1$

素因数の和:90871

約数の個数: 16

約数和(自身を含む): 39243744

約数和(自身を除く): 18350314

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90841, 181682, 454205, 908410, 2089343, 4178686, 10446715, 20893430]

約数ペア:

[(1, 20893430), (2, 10446715), (5, 4178686), (10, 2089343), (23, 908410), (46, 454205), (115, 181682), (230, 90841)]