20464115

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{827}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 28883952

約数和(自身を除く): 8419837

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 827, 3535, 4135, 4949, 5789, 24745, 28945, 40523, 83527, 202615, 417635, 584689, 2923445, 4092823, 20464115]

約数ペア:

[(1, 20464115), (5, 4092823), (7, 2923445), (35, 584689), (49, 417635), (101, 202615), (245, 83527), (505, 40523), (707, 28945), (827, 24745), (3535, 5789), (4135, 4949)]