20124005140

素因数分解:

$2^2\times 5^1\times {\mathrm{36479}}^1\times {\mathrm{27583}}^1$

素因数の和:64071

約数の個数: 24

約数和(自身を含む): 42263101440

約数和(自身を除く): 22139096300

約数列:

[1, 2, 4, 5, 10, 20, 27583, 36479, 55166, 72958, 110332, 137915, 145916, 182395, 275830, 364790, 551660, 729580, 1006200257, 2012400514, 4024801028, 5031001285, 10062002570, 20124005140]

約数ペア:

[(1, 20124005140), (2, 10062002570), (4, 5031001285), (5, 4024801028), (10, 2012400514), (20, 1006200257), (27583, 729580), (36479, 551660), (55166, 364790), (72958, 275830), (110332, 182395), (137915, 145916)]