20381392

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3671}}^1$

素因数の和:4026

約数の個数: 20

約数和(自身を含む): 39613536

約数和(自身を除く): 19232144

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3671, 5552, 7342, 14684, 29368, 58736, 1273837, 2547674, 5095348, 10190696, 20381392]

約数ペア:

[(1, 20381392), (2, 10190696), (4, 5095348), (8, 2547674), (16, 1273837), (347, 58736), (694, 29368), (1388, 14684), (2776, 7342), (3671, 5552)]