20015752

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18475448

約数列:

[1, 2, 4, 8, 71, 131, 142, 262, 269, 284, 524, 538, 568, 1048, 1076, 2152, 9301, 18602, 19099, 35239, 37204, 38198, 70478, 74408, 76396, 140956, 152792, 281912, 2501969, 5003938, 10007876, 20015752]

約数ペア:

[(1, 20015752), (2, 10007876), (4, 5003938), (8, 2501969), (71, 281912), (131, 152792), (142, 140956), (262, 76396), (269, 74408), (284, 70478), (524, 38198), (538, 37204), (568, 35239), (1048, 19099), (1076, 18602), (2152, 9301)]