20849206

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2693}}^1$

素因数の和:2788

約数の個数: 24

約数和(自身を含む): 36853920

約数和(自身を除く): 16004714

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2693, 3871, 5386, 7742, 18851, 37702, 131957, 212747, 263914, 425494, 1489229, 2978458, 10424603, 20849206]

約数ペア:

[(1, 20849206), (2, 10424603), (7, 2978458), (14, 1489229), (49, 425494), (79, 263914), (98, 212747), (158, 131957), (553, 37702), (1106, 18851), (2693, 7742), (3871, 5386)]