20139700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28771}}^1$

素因数の和:28792

約数の個数: 36

約数和(自身を含む): 49948192

約数和(自身を除く): 29808492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28771, 57542, 115084, 143855, 201397, 287710, 402794, 575420, 719275, 805588, 1006985, 1438550, 2013970, 2877100, 4027940, 5034925, 10069850, 20139700]

約数ペア:

[(1, 20139700), (2, 10069850), (4, 5034925), (5, 4027940), (7, 2877100), (10, 2013970), (14, 1438550), (20, 1006985), (25, 805588), (28, 719275), (35, 575420), (50, 402794), (70, 287710), (100, 201397), (140, 143855), (175, 115084), (350, 57542), (700, 28771)]