20973368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201667}}^1$

素因数の和:201686

約数の個数: 16

約数和(自身を含む): 42350280

約数和(自身を除く): 21376912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201667, 403334, 806668, 1613336, 2621671, 5243342, 10486684, 20973368]

約数ペア:

[(1, 20973368), (2, 10486684), (4, 5243342), (8, 2621671), (13, 1613336), (26, 806668), (52, 403334), (104, 201667)]