20165672751

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1774991}}^1$

素因数の和:1775542

約数の個数: 16

約数和(自身を含む): 30785461248

約数和(自身を除く): 10619788497

約数列:

[1, 3, 7, 21, 541, 1623, 3787, 11361, 1774991, 5324973, 12424937, 37274811, 960270131, 2880810393, 6721890917, 20165672751]

約数ペア:

[(1, 20165672751), (3, 6721890917), (7, 2880810393), (21, 960270131), (541, 37274811), (1623, 12424937), (3787, 5324973), (11361, 1774991)]