20161155905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1\times {\mathrm{5119}}^1$

素因数の和:5945

約数の個数: 32

約数和(自身を含む): 26696908800

約数和(自身を除く): 6535752895

約数列:

[1, 5, 11, 55, 101, 505, 709, 1111, 3545, 5119, 5555, 7799, 25595, 38995, 56309, 71609, 281545, 358045, 517019, 787699, 2585095, 3629371, 3938495, 5687209, 18146855, 28436045, 39923081, 199615405, 366566471, 1832832355, 4032231181, 20161155905]

約数ペア:

[(1, 20161155905), (5, 4032231181), (11, 1832832355), (55, 366566471), (101, 199615405), (505, 39923081), (709, 28436045), (1111, 18146855), (3545, 5687209), (5119, 3938495), (5555, 3629371), (7799, 2585095), (25595, 787699), (38995, 517019), (56309, 358045), (71609, 281545)]