20365456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74873}}^1$

素因数の和:74898

約数の個数: 20

約数和(自身を含む): 41779692

約数和(自身を除く): 21414236

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74873, 149746, 299492, 598984, 1197968, 1272841, 2545682, 5091364, 10182728, 20365456]

約数ペア:

[(1, 20365456), (2, 10182728), (4, 5091364), (8, 2545682), (16, 1272841), (17, 1197968), (34, 598984), (68, 299492), (136, 149746), (272, 74873)]