20198438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16529}}^1$

素因数の和:16591

約数の個数: 16

約数和(自身を含む): 33324480

約数和(自身を除く): 13126042

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 16529, 33058, 214877, 429754, 776863, 1553726, 10099219, 20198438]

約数ペア:

[(1, 20198438), (2, 10099219), (13, 1553726), (26, 776863), (47, 429754), (94, 214877), (611, 33058), (1222, 16529)]