20349387

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8663}}^1$

素因数の和:8704

約数の個数: 20

約数和(自身を含む): 31450320

約数和(自身を除く): 11100933

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8663, 25989, 77967, 233901, 251227, 701703, 753681, 2261043, 6783129, 20349387]

約数ペア:

[(1, 20349387), (3, 6783129), (9, 2261043), (27, 753681), (29, 701703), (81, 251227), (87, 233901), (261, 77967), (783, 25989), (2349, 8663)]