20178049347

素因数分解:

$3^3\times {\mathrm{3989}}^1\times {\mathrm{187349}}^1$

素因数の和:191347

約数の個数: 16

約数和(自身を含む): 29901060000

約数和(自身を除く): 9723010653

約数列:

[1, 3, 9, 27, 3989, 11967, 35901, 107703, 187349, 562047, 1686141, 5058423, 747335161, 2242005483, 6726016449, 20178049347]

約数ペア:

[(1, 20178049347), (3, 6726016449), (9, 2242005483), (27, 747335161), (3989, 5058423), (11967, 1686141), (35901, 562047), (107703, 187349)]