16920428

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5867}}^1$

素因数の和:5981

約数の個数: 24

約数和(自身を含む): 34175232

約数和(自身を除く): 17254804

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 5867, 11734, 23468, 41069, 82138, 164276, 604301, 1208602, 2417204, 4230107, 8460214, 16920428]

約数ペア:

[(1, 16920428), (2, 8460214), (4, 4230107), (7, 2417204), (14, 1208602), (28, 604301), (103, 164276), (206, 82138), (412, 41069), (721, 23468), (1442, 11734), (2884, 5867)]