20324187

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{641}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 31781568

約数和(自身を除く): 11457381

約数列:

[1, 3, 9, 13, 39, 117, 271, 641, 813, 1923, 2439, 3523, 5769, 8333, 10569, 24999, 31707, 74997, 173711, 521133, 1563399, 2258243, 6774729, 20324187]

約数ペア:

[(1, 20324187), (3, 6774729), (9, 2258243), (13, 1563399), (39, 521133), (117, 173711), (271, 74997), (641, 31707), (813, 24999), (1923, 10569), (2439, 8333), (3523, 5769)]