20467028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3793}}^1$

素因数の和:3887

約数の個数: 24

約数和(自身を含む): 38243520

約数和(自身を除く): 17776492

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3793, 5396, 7586, 15172, 72067, 144134, 269303, 288268, 538606, 1077212, 5116757, 10233514, 20467028]

約数ペア:

[(1, 20467028), (2, 10233514), (4, 5116757), (19, 1077212), (38, 538606), (71, 288268), (76, 269303), (142, 144134), (284, 72067), (1349, 15172), (2698, 7586), (3793, 5396)]