20752970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 44557128

約数和(自身を除く): 23804158

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1033, 1435, 2009, 2066, 2870, 4018, 5165, 7231, 10045, 10330, 14462, 20090, 36155, 42353, 50617, 72310, 84706, 101234, 211765, 253085, 296471, 423530, 506170, 592942, 1482355, 2075297, 2964710, 4150594, 10376485, 20752970]

約数ペア:

[(1, 20752970), (2, 10376485), (5, 4150594), (7, 2964710), (10, 2075297), (14, 1482355), (35, 592942), (41, 506170), (49, 423530), (70, 296471), (82, 253085), (98, 211765), (205, 101234), (245, 84706), (287, 72310), (410, 50617), (490, 42353), (574, 36155), (1033, 20090), (1435, 14462), (2009, 10330), (2066, 10045), (2870, 7231), (4018, 5165)]