20504337

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6553}}^1$

素因数の和:6712

約数の個数: 16

約数和(自身を含む): 31459200

約数和(自身を除く): 10954863

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6553, 19659, 45871, 137613, 976397, 2929191, 6834779, 20504337]

約数ペア:

[(1, 20504337), (3, 6834779), (7, 2929191), (21, 976397), (149, 137613), (447, 45871), (1043, 19659), (3129, 6553)]