20804938329

素因数分解:

$3^1\times 7^1\times {\mathrm{15383}}^1\times {\mathrm{64403}}^1$

素因数の和:79796

約数の個数: 16

約数和(自身を含む): 31705316352

約数和(自身を除く): 10900378023

約数列:

[1, 3, 7, 21, 15383, 46149, 64403, 107681, 193209, 323043, 450821, 1352463, 990711349, 2972134047, 6934979443, 20804938329]

約数ペア:

[(1, 20804938329), (3, 6934979443), (7, 2972134047), (21, 990711349), (15383, 1352463), (46149, 450821), (64403, 323043), (107681, 193209)]