20121152

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16547}}^1$

素因数の和:16578

約数の個数: 28

約数和(自身を含む): 42031920

約数和(自身を除く): 21910768

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16547, 33094, 66188, 132376, 264752, 314393, 529504, 628786, 1059008, 1257572, 2515144, 5030288, 10060576, 20121152]

約数ペア:

[(1, 20121152), (2, 10060576), (4, 5030288), (8, 2515144), (16, 1257572), (19, 1059008), (32, 628786), (38, 529504), (64, 314393), (76, 264752), (152, 132376), (304, 66188), (608, 33094), (1216, 16547)]