20554107

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2957}}^1$

素因数の和:3298

約数の個数: 16

約数和(自身を含む): 31425792

約数和(自身を除く): 10871685

約数列:

[1, 3, 7, 21, 331, 993, 2317, 2957, 6951, 8871, 20699, 62097, 978767, 2936301, 6851369, 20554107]

約数ペア:

[(1, 20554107), (3, 6851369), (7, 2936301), (21, 978767), (331, 62097), (993, 20699), (2317, 8871), (2957, 6951)]