20375810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22391}}^1$

素因数の和:22418

約数の個数: 32

約数和(自身を含む): 45142272

約数和(自身を除く): 24766462

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22391, 44782, 111955, 156737, 223910, 291083, 313474, 582166, 783685, 1455415, 1567370, 2037581, 2910830, 4075162, 10187905, 20375810]

約数ペア:

[(1, 20375810), (2, 10187905), (5, 4075162), (7, 2910830), (10, 2037581), (13, 1567370), (14, 1455415), (26, 783685), (35, 582166), (65, 313474), (70, 291083), (91, 223910), (130, 156737), (182, 111955), (455, 44782), (910, 22391)]