20736752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68213}}^1$

素因数の和:68240

約数の個数: 20

約数和(自身を含む): 42292680

約数和(自身を除く): 21555928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68213, 136426, 272852, 545704, 1091408, 1296047, 2592094, 5184188, 10368376, 20736752]

約数ペア:

[(1, 20736752), (2, 10368376), (4, 5184188), (8, 2592094), (16, 1296047), (19, 1091408), (38, 545704), (76, 272852), (152, 136426), (304, 68213)]