20872010

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25147}}^1$

素因数の和:25237

約数の個数: 16

約数和(自身を含む): 38023776

約数和(自身を除く): 17151766

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 25147, 50294, 125735, 251470, 2087201, 4174402, 10436005, 20872010]

約数ペア:

[(1, 20872010), (2, 10436005), (5, 4174402), (10, 2087201), (83, 251470), (166, 125735), (415, 50294), (830, 25147)]