20994908478

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47933581}}^1$

素因数の和:47933659

約数の個数: 16

約数和(自身を含む): 42565020816

約数和(自身を除く): 21570112338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47933581, 95867162, 143800743, 287601486, 3499151413, 6998302826, 10497454239, 20994908478]

約数ペア:

[(1, 20994908478), (2, 10497454239), (3, 6998302826), (6, 3499151413), (73, 287601486), (146, 143800743), (219, 95867162), (438, 47933581)]