20679414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{761}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 47402496

約数和(自身を除く): 26723082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 647, 761, 1294, 1522, 1941, 2283, 3882, 4529, 4566, 5327, 9058, 10654, 13587, 15981, 27174, 31962, 492367, 984734, 1477101, 2954202, 3446569, 6893138, 10339707, 20679414]

約数ペア:

[(1, 20679414), (2, 10339707), (3, 6893138), (6, 3446569), (7, 2954202), (14, 1477101), (21, 984734), (42, 492367), (647, 31962), (761, 27174), (1294, 15981), (1522, 13587), (1941, 10654), (2283, 9058), (3882, 5327), (4529, 4566)]