20104605

素因数分解:

$3^5\times 5^1\times {\mathrm{16547}}^1$

素因数の和:16567

約数の個数: 24

約数和(自身を含む): 36140832

約数和(自身を除く): 16036227

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16547, 49641, 82735, 148923, 248205, 446769, 744615, 1340307, 2233845, 4020921, 6701535, 20104605]

約数ペア:

[(1, 20104605), (3, 6701535), (5, 4020921), (9, 2233845), (15, 1340307), (27, 744615), (45, 446769), (81, 248205), (135, 148923), (243, 82735), (405, 49641), (1215, 16547)]