20351907

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7001}}^1$

素因数の和:7043

約数の個数: 24

約数和(自身を含む): 32769360

約数和(自身を除く): 12417453

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7001, 21003, 63009, 119017, 133019, 357051, 399057, 1071153, 1197171, 2261323, 6783969, 20351907]

約数ペア:

[(1, 20351907), (3, 6783969), (9, 2261323), (17, 1197171), (19, 1071153), (51, 399057), (57, 357051), (153, 133019), (171, 119017), (323, 63009), (969, 21003), (2907, 7001)]