20955866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1471}}^1$

素因数の和:1909

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12429094

約数列:

[1, 2, 17, 34, 419, 838, 1471, 2942, 7123, 14246, 25007, 50014, 616349, 1232698, 10477933, 20955866]

約数ペア:

[(1, 20955866), (2, 10477933), (17, 1232698), (34, 616349), (419, 50014), (838, 25007), (1471, 14246), (2942, 7123)]