20917174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{3221}}^1$

素因数の和:3431

約数の個数: 16

約数和(自身を含む): 33405696

約数和(自身を除く): 12488522

約数列:

[1, 2, 17, 34, 191, 382, 3221, 3247, 6442, 6494, 54757, 109514, 615211, 1230422, 10458587, 20917174]

約数ペア:

[(1, 20917174), (2, 10458587), (17, 1230422), (34, 615211), (191, 109514), (382, 54757), (3221, 6494), (3247, 6442)]