20922818

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87911}}^1$

素因数の和:87937

約数の個数: 16

約数和(自身を含む): 37977984

約数和(自身を除く): 17055166

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87911, 175822, 615377, 1230754, 1494487, 2988974, 10461409, 20922818]

約数ペア:

[(1, 20922818), (2, 10461409), (7, 2988974), (14, 1494487), (17, 1230754), (34, 615377), (119, 175822), (238, 87911)]