20309309

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 23412480

約数和(自身を除く): 3103171

約数列:

[1, 19, 29, 31, 41, 551, 589, 779, 841, 899, 1189, 1271, 15979, 17081, 22591, 24149, 26071, 34481, 36859, 495349, 655139, 700321, 1068911, 20309309]

約数ペア:

[(1, 20309309), (19, 1068911), (29, 700321), (31, 655139), (41, 495349), (551, 36859), (589, 34481), (779, 26071), (841, 24149), (899, 22591), (1189, 17081), (1271, 15979)]