20697398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 13828042

約数列:

[1, 2, 17, 31, 34, 62, 73, 146, 269, 527, 538, 1054, 1241, 2263, 2482, 4526, 4573, 8339, 9146, 16678, 19637, 38471, 39274, 76942, 141763, 283526, 333829, 608747, 667658, 1217494, 10348699, 20697398]

約数ペア:

[(1, 20697398), (2, 10348699), (17, 1217494), (31, 667658), (34, 608747), (62, 333829), (73, 283526), (146, 141763), (269, 76942), (527, 39274), (538, 38471), (1054, 19637), (1241, 16678), (2263, 9146), (2482, 8339), (4526, 4573)]