20262235

素因数分解:

$5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 28498176

約数和(自身を除く): 8235941

約数列:

[1, 5, 7, 35, 49, 191, 245, 433, 955, 1337, 2165, 3031, 6685, 9359, 15155, 21217, 46795, 82703, 106085, 413515, 578921, 2894605, 4052447, 20262235]

約数ペア:

[(1, 20262235), (5, 4052447), (7, 2894605), (35, 578921), (49, 413515), (191, 106085), (245, 82703), (433, 46795), (955, 21217), (1337, 15155), (2165, 9359), (3031, 6685)]