20902588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43913}}^1$

素因数の和:43941

約数の個数: 24

約数和(自身を含む): 44265312

約数和(自身を除く): 23362724

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43913, 87826, 175652, 307391, 614782, 746521, 1229564, 1493042, 2986084, 5225647, 10451294, 20902588]

約数ペア:

[(1, 20902588), (2, 10451294), (4, 5225647), (7, 2986084), (14, 1493042), (17, 1229564), (28, 746521), (34, 614782), (68, 307391), (119, 175652), (238, 87826), (476, 43913)]