20189984546

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{4243}}^1\times {\mathrm{64303}}^1$

素因数の和:68585

約数の個数: 16

約数和(自身を含む): 31111304064

約数和(自身を除く): 10921319518

約数列:

[1, 2, 37, 74, 4243, 8486, 64303, 128606, 156991, 313982, 2379211, 4758422, 272837629, 545675258, 10094992273, 20189984546]

約数ペア:

[(1, 20189984546), (2, 10094992273), (37, 545675258), (74, 272837629), (4243, 4758422), (8486, 2379211), (64303, 313982), (128606, 156991)]