20778742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{569}}^1$

素因数の和:652

約数の個数: 24

約数和(自身を含む): 33960600

約数和(自身を除く): 13181858

約数列:

[1, 2, 19, 31, 38, 62, 569, 589, 961, 1138, 1178, 1922, 10811, 17639, 18259, 21622, 35278, 36518, 335141, 546809, 670282, 1093618, 10389371, 20778742]

約数ペア:

[(1, 20778742), (2, 10389371), (19, 1093618), (31, 670282), (38, 546809), (62, 335141), (569, 36518), (589, 35278), (961, 21622), (1138, 18259), (1178, 17639), (1922, 10811)]