20889016

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{70571}}^1$

素因数の和:70614

約数の個数: 16

約数和(自身を含む): 40226040

約数和(自身を除く): 19337024

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 70571, 141142, 282284, 564568, 2611127, 5222254, 10444508, 20889016]

約数ペア:

[(1, 20889016), (2, 10444508), (4, 5222254), (8, 2611127), (37, 564568), (74, 282284), (148, 141142), (296, 70571)]