20306517

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5171}}^1$

素因数の和:5209

約数の個数: 32

約数和(自身を含む): 35748864

約数和(自身を除く): 15442347

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5171, 15513, 36197, 56881, 87907, 108591, 170643, 263721, 398167, 615349, 966977, 1194501, 1846047, 2900931, 6768839, 20306517]

約数ペア:

[(1, 20306517), (3, 6768839), (7, 2900931), (11, 1846047), (17, 1194501), (21, 966977), (33, 615349), (51, 398167), (77, 263721), (119, 170643), (187, 108591), (231, 87907), (357, 56881), (561, 36197), (1309, 15513), (3927, 5171)]