197172020

素因数分解:

$2^2\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{3389}}^1$

素因数の和:6307

約数の個数: 24

約数和(自身を含む): 414325800

約数和(自身を除く): 217153780

約数列:

[1, 2, 4, 5, 10, 20, 2909, 3389, 5818, 6778, 11636, 13556, 14545, 16945, 29090, 33890, 58180, 67780, 9858601, 19717202, 39434404, 49293005, 98586010, 197172020]

約数ペア:

[(1, 197172020), (2, 98586010), (4, 49293005), (5, 39434404), (10, 19717202), (20, 9858601), (2909, 67780), (3389, 58180), (5818, 33890), (6778, 29090), (11636, 16945), (13556, 14545)]