20805213228

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4239041}}^1$

素因数の和:4239457

約数の個数: 24

約数和(自身を含む): 48664202160

約数和(自身を除く): 27858988932

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4908, 4239041, 8478082, 12717123, 16956164, 25434246, 50868492, 1733767769, 3467535538, 5201303307, 6935071076, 10402606614, 20805213228]

約数ペア:

[(1, 20805213228), (2, 10402606614), (3, 6935071076), (4, 5201303307), (6, 3467535538), (12, 1733767769), (409, 50868492), (818, 25434246), (1227, 16956164), (1636, 12717123), (2454, 8478082), (4908, 4239041)]