20479802

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18517}}^1$

素因数の和:18605

約数の個数: 16

約数和(自身を含む): 35554560

約数和(自身を除く): 15074758

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18517, 37034, 129619, 259238, 1462843, 2925686, 10239901, 20479802]

約数ペア:

[(1, 20479802), (2, 10239901), (7, 2925686), (14, 1462843), (79, 259238), (158, 129619), (553, 37034), (1106, 18517)]