20173798

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 33265728

約数和(自身を除く): 13091930

約数列:

[1, 2, 17, 34, 61, 71, 122, 137, 142, 274, 1037, 1207, 2074, 2329, 2414, 4331, 4658, 8357, 8662, 9727, 16714, 19454, 73627, 142069, 147254, 165359, 284138, 330718, 593347, 1186694, 10086899, 20173798]

約数ペア:

[(1, 20173798), (2, 10086899), (17, 1186694), (34, 593347), (61, 330718), (71, 284138), (122, 165359), (137, 147254), (142, 142069), (274, 73627), (1037, 19454), (1207, 16714), (2074, 9727), (2329, 8662), (2414, 8357), (4331, 4658)]