20472856

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{3919}}^1$

素因数の和:4578

約数の個数: 16

約数和(自身を含む): 38455200

約数和(自身を除く): 17982344

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 3919, 5224, 7838, 15676, 31352, 2559107, 5118214, 10236428, 20472856]

約数ペア:

[(1, 20472856), (2, 10236428), (4, 5118214), (8, 2559107), (653, 31352), (1306, 15676), (2612, 7838), (3919, 5224)]