20449286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 36384768

約数和(自身を除く): 15935482

約数列:

[1, 2, 11, 13, 22, 26, 127, 143, 254, 286, 563, 1126, 1397, 1651, 2794, 3302, 6193, 7319, 12386, 14638, 18161, 36322, 71501, 80509, 143002, 161018, 786511, 929513, 1573022, 1859026, 10224643, 20449286]

約数ペア:

[(1, 20449286), (2, 10224643), (11, 1859026), (13, 1573022), (22, 929513), (26, 786511), (127, 161018), (143, 143002), (254, 80509), (286, 71501), (563, 36322), (1126, 18161), (1397, 14638), (1651, 12386), (2794, 7319), (3302, 6193)]