20121664030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1\times {\mathrm{87103}}^1$

素因数の和:88900

約数の個数: 32

約数和(自身を含む): 39027469824

約数和(自身を除く): 18905805794

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1777, 3554, 8885, 17770, 23101, 46202, 87103, 115505, 174206, 231010, 435515, 871030, 1132339, 2264678, 5661695, 11323390, 154782031, 309564062, 773910155, 1547820310, 2012166403, 4024332806, 10060832015, 20121664030]

約数ペア:

[(1, 20121664030), (2, 10060832015), (5, 4024332806), (10, 2012166403), (13, 1547820310), (26, 773910155), (65, 309564062), (130, 154782031), (1777, 11323390), (3554, 5661695), (8885, 2264678), (17770, 1132339), (23101, 871030), (46202, 435515), (87103, 231010), (115505, 174206)]