20922188

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3793}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 42067872

約数和(自身を除く): 21145684

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3793, 5516, 7586, 15172, 26551, 53102, 106204, 747221, 1494442, 2988884, 5230547, 10461094, 20922188]

約数ペア:

[(1, 20922188), (2, 10461094), (4, 5230547), (7, 2988884), (14, 1494442), (28, 747221), (197, 106204), (394, 53102), (788, 26551), (1379, 15172), (2758, 7586), (3793, 5516)]