20358639

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19009}}^1$

素因数の和:19039

約数の個数: 24

約数和(自身を含む): 35586720

約数和(自身を除く): 15228081

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19009, 57027, 133063, 171081, 323153, 399189, 969459, 1197567, 2262071, 2908377, 6786213, 20358639]

約数ペア:

[(1, 20358639), (3, 6786213), (7, 2908377), (9, 2262071), (17, 1197567), (21, 969459), (51, 399189), (63, 323153), (119, 171081), (153, 133063), (357, 57027), (1071, 19009)]