15660976

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{42557}}^1$

素因数の和:42588

約数の個数: 20

約数和(自身を含む): 31663152

約数和(自身を除く): 16002176

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 42557, 85114, 170228, 340456, 680912, 978811, 1957622, 3915244, 7830488, 15660976]

約数ペア:

[(1, 15660976), (2, 7830488), (4, 3915244), (8, 1957622), (16, 978811), (23, 680912), (46, 340456), (92, 170228), (184, 85114), (368, 42557)]