20395529

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15581}}^1$

素因数の和:15616

約数の個数: 16

約数和(自身を含む): 26925696

約数和(自身を除く): 6530167

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15581, 109067, 171391, 264877, 1199737, 1854139, 2913647, 20395529]

約数ペア:

[(1, 20395529), (7, 2913647), (11, 1854139), (17, 1199737), (77, 264877), (119, 171391), (187, 109067), (1309, 15581)]