20894194712

素因数分解:

$2^3\times {\mathrm{541}}^1\times {\mathrm{2089}}^1\times {\mathrm{2311}}^1$

素因数の和:4947

約数の個数: 32

約数和(自身を含む): 39284810400

約数和(自身を除く): 18390615688

約数列:

[1, 2, 4, 8, 541, 1082, 2089, 2164, 2311, 4178, 4328, 4622, 8356, 9244, 16712, 18488, 1130149, 1250251, 2260298, 2500502, 4520596, 4827679, 5001004, 9041192, 9655358, 10002008, 19310716, 38621432, 2611774339, 5223548678, 10447097356, 20894194712]

約数ペア:

[(1, 20894194712), (2, 10447097356), (4, 5223548678), (8, 2611774339), (541, 38621432), (1082, 19310716), (2089, 10002008), (2164, 9655358), (2311, 9041192), (4178, 5001004), (4328, 4827679), (4622, 4520596), (8356, 2500502), (9244, 2260298), (16712, 1250251), (18488, 1130149)]