20959885

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 26035200

約数和(自身を除く): 5075315

約数列:

[1, 5, 47, 79, 235, 395, 1129, 3713, 5645, 18565, 53063, 89191, 265315, 445955, 4191977, 20959885]

約数ペア:

[(1, 20959885), (5, 4191977), (47, 445955), (79, 265315), (235, 89191), (395, 53063), (1129, 18565), (3713, 5645)]