20006818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 33417216

約数和(自身を除く): 13410398

約数列:

[1, 2, 13, 26, 73, 83, 127, 146, 166, 254, 949, 1079, 1651, 1898, 2158, 3302, 6059, 9271, 10541, 12118, 18542, 21082, 78767, 120523, 137033, 157534, 241046, 274066, 769493, 1538986, 10003409, 20006818]

約数ペア:

[(1, 20006818), (2, 10003409), (13, 1538986), (26, 769493), (73, 274066), (83, 241046), (127, 157534), (146, 137033), (166, 120523), (254, 78767), (949, 21082), (1079, 18542), (1651, 12118), (1898, 10541), (2158, 9271), (3302, 6059)]