20277495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64373}}^1$

素因数の和:64391

約数の個数: 24

約数和(自身を含む): 40169376

約数和(自身を除く): 19891881

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64373, 193119, 321865, 450611, 579357, 965595, 1351833, 2253055, 2896785, 4055499, 6759165, 20277495]

約数ペア:

[(1, 20277495), (3, 6759165), (5, 4055499), (7, 2896785), (9, 2253055), (15, 1351833), (21, 965595), (35, 579357), (45, 450611), (63, 321865), (105, 193119), (315, 64373)]