20454831

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 10433169

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 719, 981, 2157, 3161, 6471, 9483, 20851, 28449, 62553, 78371, 187659, 235113, 705339, 2272759, 6818277, 20454831]

約数ペア:

[(1, 20454831), (3, 6818277), (9, 2272759), (29, 705339), (87, 235113), (109, 187659), (261, 78371), (327, 62553), (719, 28449), (981, 20851), (2157, 9483), (3161, 6471)]