20444157

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{659}}^1$

素因数の和:1054

約数の個数: 20

約数和(自身を含む): 30666240

約数和(自身を除く): 10222083

約数列:

[1, 3, 9, 27, 81, 383, 659, 1149, 1977, 3447, 5931, 10341, 17793, 31023, 53379, 252397, 757191, 2271573, 6814719, 20444157]

約数ペア:

[(1, 20444157), (3, 6814719), (9, 2271573), (27, 757191), (81, 252397), (383, 53379), (659, 31023), (1149, 17793), (1977, 10341), (3447, 5931)]