20693645

素因数分解:

$5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{937}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 28455168

約数和(自身を除く): 7761523

約数列:

[1, 5, 7, 35, 631, 937, 3155, 4417, 4685, 6559, 22085, 32795, 591247, 2956235, 4138729, 20693645]

約数ペア:

[(1, 20693645), (5, 4138729), (7, 2956235), (35, 591247), (631, 32795), (937, 22085), (3155, 6559), (4417, 4685)]