20105354899

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{480541}}^1$

素因数の和:480730

約数の個数: 16

約数和(自身を含む): 23681109760

約数和(自身を除く): 3575754861

約数列:

[1, 7, 43, 139, 301, 973, 5977, 41839, 480541, 3363787, 20663263, 66795199, 144642841, 467566393, 2872193557, 20105354899]

約数ペア:

[(1, 20105354899), (7, 2872193557), (43, 467566393), (139, 144642841), (301, 66795199), (973, 20663263), (5977, 3363787), (41839, 480541)]