20124656

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18773}}^1$

素因数の和:18848

約数の個数: 20

約数和(自身を含む): 39575592

約数和(自身を除く): 19450936

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18773, 37546, 75092, 150184, 300368, 1257791, 2515582, 5031164, 10062328, 20124656]

約数ペア:

[(1, 20124656), (2, 10062328), (4, 5031164), (8, 2515582), (16, 1257791), (67, 300368), (134, 150184), (268, 75092), (536, 37546), (1072, 18773)]