20460685

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3631}}^1$

素因数の和:3673

約数の個数: 24

約数和(自身を含む): 29811456

約数和(自身を除く): 9350771

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 3631, 5635, 18155, 25417, 83513, 127085, 177919, 417565, 584591, 889595, 2922955, 4092137, 20460685]

約数ペア:

[(1, 20460685), (5, 4092137), (7, 2922955), (23, 889595), (35, 584591), (49, 417565), (115, 177919), (161, 127085), (245, 83513), (805, 25417), (1127, 18155), (3631, 5635)]