20996858659

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1\times {\mathrm{70183}}^1$

素因数の和:70810

約数の個数: 16

約数和(自身を含む): 24345425920

約数和(自身を除く): 3348567261

約数列:

[1, 7, 79, 541, 553, 3787, 42739, 70183, 299173, 491281, 5544457, 37969003, 38811199, 265783021, 2999551237, 20996858659]

約数ペア:

[(1, 20996858659), (7, 2999551237), (79, 265783021), (541, 38811199), (553, 37969003), (3787, 5544457), (42739, 491281), (70183, 299173)]