20367459

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2861}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 33931872

約数和(自身を除く): 13564413

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2861, 7119, 8583, 20027, 25749, 60081, 180243, 323293, 969879, 2263051, 2909637, 6789153, 20367459]

約数ペア:

[(1, 20367459), (3, 6789153), (7, 2909637), (9, 2263051), (21, 969879), (63, 323293), (113, 180243), (339, 60081), (791, 25749), (1017, 20027), (2373, 8583), (2861, 7119)]