20004688

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10333}}^1$

素因数の和:10363

約数の個数: 30

約数和(自身を含む): 42607082

約数和(自身を除く): 22602394

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10333, 20666, 41332, 82664, 113663, 165328, 227326, 454652, 909304, 1250293, 1818608, 2500586, 5001172, 10002344, 20004688]

約数ペア:

[(1, 20004688), (2, 10002344), (4, 5001172), (8, 2500586), (11, 1818608), (16, 1250293), (22, 909304), (44, 454652), (88, 227326), (121, 165328), (176, 113663), (242, 82664), (484, 41332), (968, 20666), (1936, 10333)]