20502818

素因数分解:

$2^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2707}}^1$

素因数の和:3257

約数の個数: 16

約数和(自身を含む): 35225664

約数和(自身を除く): 14722846

約数列:

[1, 2, 7, 14, 541, 1082, 2707, 3787, 5414, 7574, 18949, 37898, 1464487, 2928974, 10251409, 20502818]

約数ペア:

[(1, 20502818), (2, 10251409), (7, 2928974), (14, 1464487), (541, 37898), (1082, 18949), (2707, 7574), (3787, 5414)]