20913590

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44497}}^1$

素因数の和:44551

約数の個数: 16

約数和(自身を含む): 38446272

約数和(自身を除く): 17532682

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44497, 88994, 222485, 444970, 2091359, 4182718, 10456795, 20913590]

約数ペア:

[(1, 20913590), (2, 10456795), (5, 4182718), (10, 2091359), (47, 444970), (94, 222485), (235, 88994), (470, 44497)]