20975766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499423}}^1$

素因数の和:499435

約数の個数: 16

約数和(自身を含む): 47944704

約数和(自身を除く): 26968938

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499423, 998846, 1498269, 2996538, 3495961, 6991922, 10487883, 20975766]

約数ペア:

[(1, 20975766), (2, 10487883), (3, 6991922), (6, 3495961), (7, 2996538), (14, 1498269), (21, 998846), (42, 499423)]