20545693

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3449}}^1$

素因数の和:3516

約数の個数: 16

約数和(自身を含む): 25171200

約数和(自身を除く): 4625507

約数列:

[1, 7, 23, 37, 161, 259, 851, 3449, 5957, 24143, 79327, 127613, 555289, 893291, 2935099, 20545693]

約数ペア:

[(1, 20545693), (7, 2935099), (23, 893291), (37, 555289), (161, 127613), (259, 79327), (851, 24143), (3449, 5957)]