20976310

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5231}}^1$

素因数の和:5639

約数の個数: 16

約数和(自身を含む): 37858752

約数和(自身を除く): 16882442

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 5231, 10462, 26155, 52310, 2097631, 4195262, 10488155, 20976310]

約数ペア:

[(1, 20976310), (2, 10488155), (5, 4195262), (10, 2097631), (401, 52310), (802, 26155), (2005, 10462), (4010, 5231)]