20125658511

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2438587}}^1$

素因数の和:2438731

約数の個数: 24

約数和(自身を含む): 33476936064

約数和(自身を除く): 13351277553

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 2438587, 7315761, 17070109, 21947283, 51210327, 153630981, 319454897, 958364691, 2236184279, 2875094073, 6708552837, 20125658511]

約数ペア:

[(1, 20125658511), (3, 6708552837), (7, 2875094073), (9, 2236184279), (21, 958364691), (63, 319454897), (131, 153630981), (393, 51210327), (917, 21947283), (1179, 17070109), (2751, 7315761), (8253, 2438587)]