20746611

素因数分解:

$3^6\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 28

約数和(自身を含む): 31478400

約数和(自身を除く): 10731789

約数列:

[1, 3, 9, 27, 81, 149, 191, 243, 447, 573, 729, 1341, 1719, 4023, 5157, 12069, 15471, 28459, 36207, 46413, 85377, 108621, 139239, 256131, 768393, 2305179, 6915537, 20746611]

約数ペア:

[(1, 20746611), (3, 6915537), (9, 2305179), (27, 768393), (81, 256131), (149, 139239), (191, 108621), (243, 85377), (447, 46413), (573, 36207), (729, 28459), (1341, 15471), (1719, 12069), (4023, 5157)]