20255427

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8623}}^1$

素因数の和:8664

約数の個数: 20

約数和(自身を含む): 31305120

約数和(自身を除く): 11049693

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8623, 25869, 77607, 232821, 250067, 698463, 750201, 2250603, 6751809, 20255427]

約数ペア:

[(1, 20255427), (3, 6751809), (9, 2250603), (27, 750201), (29, 698463), (81, 250067), (87, 232821), (261, 77607), (783, 25869), (2349, 8623)]