20888474

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1501

約数の個数: 16

約数和(自身を含む): 32114016

約数和(自身を除く): 11225542

約数列:

[1, 2, 61, 122, 131, 262, 1307, 2614, 7991, 15982, 79727, 159454, 171217, 342434, 10444237, 20888474]

約数ペア:

[(1, 20888474), (2, 10444237), (61, 342434), (122, 171217), (131, 159454), (262, 79727), (1307, 15982), (2614, 7991)]