20035678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17921}}^1$

素因数の和:17979

約数の個数: 16

約数和(自身を含む): 33119856

約数和(自身を除く): 13084178

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17921, 35842, 232973, 465946, 770603, 1541206, 10017839, 20035678]

約数ペア:

[(1, 20035678), (2, 10017839), (13, 1541206), (26, 770603), (43, 465946), (86, 232973), (559, 35842), (1118, 17921)]