20547505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4729}}^1$

素因数の和:4824

約数の個数: 16

約数和(自身を含む): 27244800

約数和(自身を除く): 6697295

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4729, 23645, 52019, 260095, 373591, 1867955, 4109501, 20547505]

約数ペア:

[(1, 20547505), (5, 4109501), (11, 1867955), (55, 373591), (79, 260095), (395, 52019), (869, 23645), (4345, 4729)]