20951458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1871}}^1$

素因数の和:2393

約数の個数: 16

約数和(自身を含む): 34369920

約数和(自身を除く): 13418462

約数列:

[1, 2, 11, 22, 509, 1018, 1871, 3742, 5599, 11198, 20581, 41162, 952339, 1904678, 10475729, 20951458]

約数ペア:

[(1, 20951458), (2, 10475729), (11, 1904678), (22, 952339), (509, 41162), (1018, 20581), (1871, 11198), (3742, 5599)]