20178838

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9403}}^1$

素因数の和:9471

約数の個数: 16

約数和(自身を含む): 32161680

約数和(自身を除く): 11982842

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 9403, 18806, 272687, 347911, 545374, 695822, 10089419, 20178838]

約数ペア:

[(1, 20178838), (2, 10089419), (29, 695822), (37, 545374), (58, 347911), (74, 272687), (1073, 18806), (2146, 9403)]