20704812

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13171}}^1$

素因数の和:13309

約数の個数: 24

約数和(自身を含む): 48683712

約数和(自身を除く): 27978900

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13171, 26342, 39513, 52684, 79026, 158052, 1725401, 3450802, 5176203, 6901604, 10352406, 20704812]

約数ペア:

[(1, 20704812), (2, 10352406), (3, 6901604), (4, 5176203), (6, 3450802), (12, 1725401), (131, 158052), (262, 79026), (393, 52684), (524, 39513), (786, 26342), (1572, 13171)]