20004478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45259}}^1$

素因数の和:45291

約数の個数: 16

約数和(自身を含む): 34216560

約数和(自身を除く): 14212082

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 45259, 90518, 588367, 769403, 1176734, 1538806, 10002239, 20004478]

約数ペア:

[(1, 20004478), (2, 10002239), (13, 1538806), (17, 1176734), (26, 769403), (34, 588367), (221, 90518), (442, 45259)]