173420020

素因数分解:

$2^2\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{3109}}^1$

素因数の和:5907

約数の個数: 24

約数和(自身を含む): 364429800

約数和(自身を除く): 191009780

約数列:

[1, 2, 4, 5, 10, 20, 2789, 3109, 5578, 6218, 11156, 12436, 13945, 15545, 27890, 31090, 55780, 62180, 8671001, 17342002, 34684004, 43355005, 86710010, 173420020]

約数ペア:

[(1, 173420020), (2, 86710010), (4, 43355005), (5, 34684004), (10, 17342002), (20, 8671001), (2789, 62180), (3109, 55780), (5578, 31090), (6218, 27890), (11156, 15545), (12436, 13945)]